Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Share Name	Share Symbol	Market	Type
BWX Technologies Inc	NYSE:BWXT	NYSE	Common Stock

	Price Change	% Change	Share Price	High Price	Low Price	Open Price	Shares Traded	Last Trade
	4.61	4.88%	99.00	93.19	89.84	92.01	984,156	00:40:39

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_________________________________________________________________________________________________________________________________

FORM 10-Q

_________________________________________________________________________________________________________________________________


(Mark One)
☒			QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2024.


☐			TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to .

Commission File No. 001-34658

BWX TECHNOLOGIES, INC.

(Exact name of registrant as specified in its charter)

__________________________________________________________________________________________________________________________________

Delaware

80-0558025

(State or other jurisdiction of incorporation or organization)

(I.R.S. Employer Identification No.)

800 Main Street, 4th Floor

Lynchburg,

Virginia

24504

(Address of principal executive offices)

(Zip Code)

Registrant's telephone number, including area code: (980) 365-4300

_________________________________________________________________________________________________________________________________


Securities registered pursuant to Section 12(b) of the Act:
Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 par value	BWXT	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer

☒

Accelerated filer

☐

Non-accelerated filer

☐

Smaller reporting company

☐

Emerging growth company

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

The number of shares of the registrant's common stock outstanding at August 1, 2024 was 91,420,040.

Table of Contents

BWX TECHNOLOGIES, INC.

INDEX – FORM 10-Q



		PAGE
PART I – FINANCIAL INFORMATION

Item 1.	Condensed Consolidated Financial Statements	2
	Condensed Consolidated Statements of Income
	Three and Six Months Ended June 30, 2024 and 2023 (Unaudited)	2
	Condensed Consolidated Statements of Comprehensive Income
	Three and Six Months Ended June 30, 2024 and 2023 (Unaudited)	3
	Condensed Consolidated Balance Sheets
	June 30, 2024 and December 31, 2023 (Unaudited)	4
	Condensed Consolidated Statements of Stockholders' Equity
	Three Months Ended March 31 and June 30, 2024 and 2023 (Unaudited)	6
	Condensed Consolidated Statements of Cash Flows
	Six Months Ended June 30, 2024 and 2023 (Unaudited)	7
	Notes to Condensed Consolidated Financial Statements	8
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	19
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	27
Item 4.	Controls and Procedures	27

PART II – OTHER INFORMATION

Item 1.	Legal Proceedings	28
Item 1A.	Risk Factors	28
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	28
Item 5	Other Information	28
Item 6.	Exhibits	29

Signatures		30

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PART I

FINANCIAL INFORMATION

Item 1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

BWX TECHNOLOGIES, INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(Unaudited) (In thousands, except share and per share amounts)
Revenues	$	681,465	$	612,445	$	1,285,431	$	1,180,805
Costs and Expenses:
Cost of operations	513,196		471,324		968,553		902,454
Research and development costs	1,271		2,595		2,761		4,799
Gains on asset disposals and impairments, net	(4)		(9)		(4)		(15)
Selling, general and administrative expenses	79,780		64,437		147,141		125,272
Total Costs and Expenses	594,243		538,347		1,118,451		1,032,510
Equity in Income of Investees	11,584		12,568		24,787		26,213
Operating Income	98,806		86,666		191,767		174,508
Other Income (Expense):
Interest income	540		517		1,386		980
Interest expense	(10,688)		(12,206)		(20,283)		(23,025)
Other – net	2,971		2,962		7,136		5,150
Total Other Income (Expense)	(7,177)		(8,727)		(11,761)		(16,895)
Income before Provision for Income Taxes	91,629		77,939		180,006		157,613
Provision for Income Taxes	18,584		19,274		38,427		37,955
Net Income	$	73,045	$	58,665	$	141,579	$	119,658
Net Loss (Income) Attributable to Noncontrolling Interest	(73)		(68)		(139)		31
Net Income Attributable to BWX Technologies, Inc.	$	72,972	$	58,597	$	141,440	$	119,689
Earnings per Common Share:
Basic:
Net Income Attributable to BWX Technologies, Inc.	$	0.80	$	0.64	$	1.54	$	1.31
Diluted:
Net Income Attributable to BWX Technologies, Inc.	$	0.79	$	0.64	$	1.54	$	1.30
Shares used in the computation of earnings per share (Note 8):
Basic	91,564,263		91,626,846		91,559,824		91,565,417
Diluted	91,801,539		91,805,179		91,831,232		91,802,435

See accompanying notes to condensed consolidated financial statements.

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BWX TECHNOLOGIES, INC.

CONDENSED CONSOLIDATED STATEMENTS OF

COMPREHENSIVE INCOME


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(Unaudited) (In thousands)
Net Income	$	73,045	$	58,665	$	141,579	$	119,658
Other Comprehensive Income (Loss):
Currency translation adjustments	(5,170)		10,923		(16,478)		12,617
Derivative financial instruments:
Unrealized (losses) gains arising during the period, net of tax benefit (provision) of $38, $22, $170 and $(209), respectively	(91)		(63)		(476)		614
Reclassification adjustment for losses (gains) included in net income, net of tax (benefit) provision of $(17), $89, $4 and $132, respectively	49		(270)		(12)		(393)
Amortization of benefit plan costs, net of tax benefit of $(163), $(153), $(324) and $(326), respectively	669		677		1,339		1,334
Unrealized gains arising during the period, net of tax provision of $(4), $(13), $(12) and $(11), respectively	18		47		46		38
Other Comprehensive Income (Loss)	(4,525)		11,314		(15,581)		14,210
Total Comprehensive Income	68,520		69,979		125,998		133,868
Comprehensive Loss (Income) Attributable to Noncontrolling Interest	(73)		(68)		(139)		31
Comprehensive Income Attributable to BWX Technologies, Inc.	$	68,447	$	69,911	$	125,859	$	133,899

See accompanying notes to condensed consolidated financial statements.

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BWX TECHNOLOGIES, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

ASSETS


	June 30, 2024		December 31, 2023
	(Unaudited) (In thousands)
Current Assets:
Cash and cash equivalents	$	48,341	$	75,766
Restricted cash and cash equivalents	2,927		2,858
Accounts receivable – trade, net	89,374		70,180
Accounts receivable – other	17,448		16,339
Retainages	54,594		55,181
Contracts in progress	622,062		533,155
Other current assets	75,097		64,322
Total Current Assets	909,843		817,801
Property, Plant and Equipment, Net	1,241,538		1,228,520
Investments	10,237		9,496
Goodwill	293,156		297,020
Deferred Income Taxes	13,115		16,332
Investments in Unconsolidated Affiliates	91,909		88,608
Intangible Assets	176,147		185,510
Other Assets	104,688		103,778
TOTAL	$	2,840,633	$	2,747,065

See accompanying notes to condensed consolidated financial statements.

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BWX TECHNOLOGIES, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

LIABILITIES AND STOCKHOLDERS' EQUITY


	June 30, 2024		December 31, 2023
	(Unaudited) (In thousands, except share and per share amounts)
Current Liabilities:
Current portion of long-term debt	$	9,375	$	6,250
Accounts payable	164,306		126,651
Accrued employee benefits	47,056		64,544
Accrued liabilities – other	62,644		70,210
Advance billings on contracts	125,199		107,391
Total Current Liabilities	408,580		375,046
Long-Term Debt	1,203,196		1,203,422
Accumulated Postretirement Benefit Obligation	17,809		18,466
Environmental Liabilities	90,884		90,575
Pension Liability	76,784		82,786
Other Liabilities	45,129		43,469
Commitments and Contingencies (Note 4)
Stockholders' Equity:
Common stock, par value $0.01 per share, authorized 325,000,000 shares; issued 128,282,125 and 128,065,521 shares at June 30, 2024 and December 31, 2023, respectively	1,283		1,281
Preferred stock, par value $0.01 per share, authorized 75,000,000 shares; No shares issued	—		—
Capital in excess of par value	216,973		206,478
Retained earnings	2,191,079		2,093,917
Treasury stock at cost, 36,864,491 and 36,537,695 shares at June 30, 2024 and December 31, 2023, respectively	(1,387,803)		(1,360,862)
Accumulated other comprehensive income (loss)	(23,044)		(7,463)
Stockholders' Equity – BWX Technologies, Inc.	998,488		933,351
Noncontrolling interest	(237)		(50)
Total Stockholders' Equity	998,251		933,301
TOTAL	$	2,840,633	$	2,747,065

See accompanying notes to condensed consolidated financial statements.

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BWX TECHNOLOGIES, INC.
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
	Common Stock			Capital In Excess of Par Value				Accumulated Other Comprehensive Income (Loss)								Total Stockholders' Equity
	Shares	Par Value				Retained Earnings				Treasury Stock		Stockholders' Equity		Noncontrolling Interest
	(In thousands, except share and per share amounts)
Balance December 31, 2023	128,065,521	$	1,281	$	206,478	$	2,093,917	$	(7,463)	$	(1,360,862)	$	933,351	$	(50)	$	933,301

Net income	—	—		—		68,468		—		—		68,468		66		68,534
Dividends declared ($0.24 per share)	—	—		—		(22,150)		—		—		(22,150)		—		(22,150)
Currency translation adjustments	—	—		—		—		(11,308)		—		(11,308)		—		(11,308)
Derivative financial instruments	—	—		—		—		(446)		—		(446)		—		(446)
Defined benefit obligations	—	—		—		—		670		—		670		—		670
Available-for-sale investments	—	—		—		—		28		—		28		—		28
Exercises of stock options	7,294	—		218		—		—		—		218		—		218
Shares placed in treasury	—	—		—		—		—		(26,906)		(26,906)		—		(26,906)
Stock-based compensation charges	199,991	2		4,295		—		—		—		4,297		—		4,297
Distributions to noncontrolling interests	—	—		—		—		—		—		—		(172)		(172)
Balance March 31, 2024 (unaudited)	128,272,806	$	1,283	$	210,991	$	2,140,235	$	(18,519)	$	(1,387,768)	$	946,222	$	(156)	$	946,066
Net income	—	—		—		72,972		—		—		72,972		73		73,045
Dividends declared ($0.24 per share)	—	—		—		(22,128)		—		—		(22,128)		—		(22,128)
Currency translation adjustments	—	—		—		—		(5,170)		—		(5,170)		—		(5,170)
Derivative financial instruments	—	—		—		—		(42)		—		(42)		—		(42)
Defined benefit obligations	—	—		—		—		669		—		669		—		669
Available-for-sale investments	—	—		—		—		18		—		18		—		18
Exercises of stock options	—	—		—		—		—		—		—		—		—
Shares placed in treasury	—	—		—		—		—		(35)		(35)		—		(35)
Stock-based compensation charges	9,319	—		5,982		—		—		—		5,982		—		5,982
Distributions to noncontrolling interests	—	—		—		—		—		—		—		(154)		(154)
Balance June 30, 2024 (unaudited)	128,282,125	$	1,283	$	216,973	$	2,191,079	$	(23,044)	$	(1,387,803)	$	998,488	$	(237)	$	998,251












Balance December 31, 2022	127,671,756	$	1,277	$	189,263	$	1,932,970	$	(21,930)	$	(1,353,270)	$	748,310	$	45	$	748,355

Net income (loss)	—	—		—		61,092		—		—		61,092		(99)		60,993
Dividends declared ($0.23 per share)	—	—		—		(21,231)		—		—		(21,231)		—		(21,231)
Currency translation adjustments	—	—		—		—		1,694		—		1,694		—		1,694
Derivative financial instruments	—	—		—		—		554		—		554		—		554
Defined benefit obligations	—	—		—		—		657		—		657		—		657
Available-for-sale investments	—	—		—		—		(9)		—		(9)		—		(9)
Exercises of stock options	3,000	2		70		—		—		—		72		—		72
Shares placed in treasury	—	—		—		—		—		(6,903)		(6,903)		—		(6,903)
Stock-based compensation charges	293,961	1		3,892		—		—		—		3,893		—		3,893
Distributions to noncontrolling interests	—	—		—		—		—		—		—		(67)		(67)
Balance March 31, 2023 (unaudited)	127,968,717	$	1,280	$	193,225	$	1,972,831	$	(19,034)	$	(1,360,173)	$	788,129	$	(121)	$	788,008
Net income	—	—		—		58,597		—		—		58,597		68		58,665
Dividends declared ($0.23 per share)	—	—		—		(21,216)		—		—		(21,216)		—		(21,216)
Currency translation adjustments	—	—		—		—		10,923		—		10,923		—		10,923
Derivative financial instruments	—	—		—		—		(333)		—		(333)		—		(333)
Defined benefit obligations	—	—		—		—		677		—		677		—		677
Available-for-sale investments	—	—		—		—		47		—		47		—		47
Exercises of stock options	4,417	—		105		—		—		—		105		—		105
Shares placed in treasury	—	—		—		—		—		(46)		(46)		—		(46)
Stock-based compensation charges	12,967	—		4,776		—		—		—		4,776		—		4,776
Distributions to noncontrolling interests	—	—		—		—		—		—		—		(78)		(78)
Balance June 30, 2023 (unaudited)	127,986,101	$	1,280	$	198,106	$	2,010,212	$	(7,720)	$	(1,360,219)	$	841,659	$	(131)	$	841,528

See accompanying notes to condensed consolidated financial statements.

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BWX TECHNOLOGIES, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS


	Six Months Ended June 30,
	2024		2023
	(Unaudited) (In thousands)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$	141,579	$	119,658
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	42,160		38,404
Income of investees, net of dividends	(3,301)		(4,113)
Recognition of losses for pension and postretirement plans	1,663		1,660
Stock-based compensation expense	10,279		8,669
Other, net	(32)		131
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	(20,319)		(4,936)
Accounts payable	47,018		7,071
Retainages	587		(5,808)
Contracts in progress and advance billings on contracts	(78,722)		(47,278)
Income taxes	(6,741)		(10,830)
Accrued and other current liabilities	(328)		(13,158)
Pension liabilities, accrued postretirement benefit obligations and employee benefits	(23,625)		(17,865)
Other, net	(11,298)		(4,016)
NET CASH PROVIDED BY OPERATING ACTIVITIES	98,920		67,589
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(60,827)		(69,582)
Purchases of securities	—		(2,343)
Sales and maturities of securities	—		5,996
Other, net	203		15
NET CASH USED IN INVESTING ACTIVITIES	(60,624)		(65,914)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	241,400		210,900
Repayments of long-term debt	(239,525)		(164,025)
Repurchases of common stock	(20,000)		—
Dividends paid to common shareholders	(44,373)		(42,735)
Cash paid for shares withheld to satisfy employee taxes	(6,941)		(6,948)
Settlements of forward contracts, net	4,543		(520)
Other, net	(108)		46
NET CASH USED IN FINANCING ACTIVITIES	(65,004)		(3,282)
EFFECTS OF EXCHANGE RATE CHANGES ON CASH	(308)		196
TOTAL DECREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS	(27,016)		(1,411)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	81,615		40,990
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS AT END OF PERIOD	$	54,599	$	39,579
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid during the period for:
Interest	$	32,181	$	34,602
Income taxes (net of refunds)	$	45,382	$	48,315
SCHEDULE OF NON-CASH INVESTING ACTIVITY:
Accrued capital expenditures included in accounts payable	$	9,273	$	10,694

See accompanying notes to condensed consolidated financial statements.

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BWX TECHNOLOGIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

JUNE 30, 2024

(UNAUDITED)

NOTE 1 – BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES

We have presented the condensed consolidated financial statements of BWX Technologies, Inc. ("BWXT" or the "Company") in U.S. dollars in accordance with the interim reporting requirements of Form 10-Q, Rule 10-01 of Regulation S-X and accounting principles generally accepted in the United States ("GAAP"). Certain financial information and disclosures normally included in our financial statements prepared annually in accordance with GAAP have been condensed or omitted. Readers of these financial statements should, therefore, refer to the consolidated financial statements and notes in our annual report on Form 10-K for the year ended December 31, 2023 (our "2023 10-K"). We have included all adjustments, in the opinion of management, consisting only of normal recurring adjustments, necessary for a fair presentation.

We use the equity method to account for investments in entities that we do not control, but over which we have the ability to exercise significant influence. We generally refer to these entities as "joint ventures." We have eliminated all intercompany transactions and accounts. We classify assets and liabilities related to long-term contracts as current using the duration of the related contract or program as our operating cycle, which is generally longer than one year. We present the notes to our condensed consolidated financial statements on the basis of continuing operations, unless otherwise stated.

Unless the context otherwise indicates, "we," "us" and "our" mean BWXT and its consolidated subsidiaries.

Reportable Segments

We operate in two reportable segments: Government Operations and Commercial Operations. Our reportable segments are further described as follows:

•Our Government Operations segment manufactures naval nuclear reactors, including the related nuclear fuel, for the U.S. Naval Nuclear Propulsion Program for use in submarines and aircraft carriers. Through this segment, we also fabricate fuel-bearing precision components that range in weight from a few grams to hundreds of tons, manufacture electro-mechanical equipment, perform design, manufacturing, inspection, assembly and testing activities and downblend Cold War-era government stockpiles of high-enriched uranium. In addition, we supply proprietary and sole-source valves, manifolds and fittings to global naval and commercial shipping customers. In-house capabilities also include wet chemistry uranium processing, advanced heat treatment to optimize component material properties and a controlled, clean-room environment with the capacity to assemble railcar-size components. This segment also provides various other services, primarily through joint ventures, to the U.S. Government including nuclear materials management and operation, environmental management and administrative and operating services for various U.S. Government-owned facilities. These services are primarily provided to the U.S. Department of Energy ("DOE"), including the National Nuclear Security Administration, the Office of Nuclear Energy, the Office of Science and the Office of Environmental Management, the Department of Defense and NASA. In addition, this segment also develops technology for advanced nuclear reactors for a variety of power and propulsion applications in the space and terrestrial domains and offers complete advanced nuclear fuel and reactor design and engineering, licensing and manufacturing services for these programs.

•Our Commercial Operations segment fabricates commercial nuclear steam generators, nuclear fuel, fuel handling systems, pressure vessels, reactor components, heat exchangers, tooling delivery systems and other auxiliary equipment, including containers for the storage of spent nuclear fuel and other high-level waste, and supplies nuclear-grade materials and precisely machined components for nuclear utility customers. We have supplied the nuclear industry with more than 1,300 large, heavy components worldwide and are the only commercial heavy nuclear component manufacturer in North America. This segment also provides specialized engineering services that include structural component design, 3-D thermal-hydraulic engineering analysis, weld and robotic process development, electrical and controls engineering and metallurgy and materials engineering. In addition, this segment offers in-plant inspection, maintenance and modification services for nuclear steam generators, heat exchangers, reactors, fuel handling systems and balance of plant equipment, as well as specialized non-destructive examination and tooling/repair solutions. This segment also manufactures medical radioisotopes, radiopharmaceuticals and medical devices, and partners with life science and pharmaceutical companies developing new drugs.

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See Note 7 and Note 2 for financial information about our segments. Operating results for the three and six months ended June 30, 2024 are not necessarily indicative of the results that may be expected for the year ending December 31, 2024. For further information, refer to the consolidated financial statements and notes included in our 2023 10-K.

Recently Adopted Accounting Standards

There were no accounting standards adopted during the six months ended June 30, 2024 that had a significant impact on our financial position, results of operations, cash flows or disclosures.

Contracts and Revenue Recognition

We generally recognize contract revenues and related costs over time for individual performance obligations based on a cost-to-cost method in accordance with FASB Topic Revenue from Contracts with Customers. We recognize estimated contract revenue and resulting income based on the measurement of the extent of progress toward completion as a percentage of the total project. Certain costs may be excluded from the cost-to-cost method of measuring progress, such as significant costs for uninstalled materials, if such costs do not depict our performance in transferring control of goods or services to the customer. We review contract price and cost estimates periodically as the work progresses and reflect adjustments proportionate to the percentage-of-completion in income in the period when those estimates are revised. We recognize revenue on certain cost plus and time and materials contracts equal to the amount we have the right to invoice the customer when performance obligations are satisfied over time and the invoice amount corresponds directly with the value we are providing the customer. Certain of our contracts recognize revenue at a point in time, and revenue on these contracts is recognized when control transfers to the customer. The majority of our revenue that is recognized at a point in time is related to parts and certain medical radioisotopes and radiopharmaceuticals in our Commercial Operations segment. For all contracts, if a current estimate of total contract cost indicates a loss on a contract, the projected loss is recognized in full when determined.

See Note 2 for a further discussion of revenue recognition.

Provision for Income Taxes

We are subject to federal income tax in the U.S., Canada, and the U.K., as well as income tax within multiple U.S. state jurisdictions. We provide for income taxes based on the enacted tax laws and rates in the jurisdictions in which we conduct our operations. These jurisdictions may have regimes of taxation that vary with respect to nominal rates and with respect to the basis on which these rates are applied. This variation, along with changes in our mix of income within these jurisdictions, can contribute to shifts in our effective tax rate from period to period.

Our effective tax rate for the three months ended June 30, 2024 was 20.3% as compared to 24.7% for the three months ended June 30, 2023. Our effective tax rate for the six months ended June 30, 2024 was 21.3% as compared to 24.1% for the six months ended June 30, 2023. The effective tax rates for the three and six months ended June 30, 2024 approximated the U.S. corporate federal income tax rate of 21% due to the revaluation of our Canadian net deferred tax liabilities which was required by the temporary reduction of the Canadian federal tax rate for qualifying nuclear manufacturers for tax years beginning on or after January 1, 2024. The effective tax rates for the three and six months ended June 30, 2023 were higher than the U.S. corporate income tax rate of 21% primarily due to state income taxes within the U.S. and the unfavorable rate differential associated with our foreign earnings.

Certain jurisdictions have implemented the Organization for Economic Cooperation and Development’s Pillar Two rules regarding a global minimum tax. Effective January 1, 2024, these rules enforce a minimum effective tax rate of 15%, calculated on a jurisdictional basis. Considering our current global footprint, we do not anticipate that these new rules will materially impact our provision for income taxes.

Cash and Cash Equivalents and Restricted Cash and Cash Equivalents

At June 30, 2024, we had restricted cash and cash equivalents totaling $6.3 million, $3.3 million of which was held for future decommissioning of facilities (which is included in Other Assets on our condensed consolidated balance sheets) and $2.9 million of which was held to meet reinsurance reserve requirements of our captive insurer.

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The following table provides a reconciliation of cash and cash equivalents and restricted cash and cash equivalents on our condensed consolidated balance sheets to the totals presented on our condensed consolidated statements of cash flows:


	June 30, 2024		December 31, 2023
	(In thousands)
Cash and cash equivalents	$	48,341	$	75,766
Restricted cash and cash equivalents	2,927		2,858
Restricted cash and cash equivalents included in Other Assets	3,331		2,991
Total cash and cash equivalents and restricted cash and cash equivalents as presented on our condensed consolidated statements of cash flows	$	54,599	$	81,615

Inventories

At June 30, 2024 and December 31, 2023, Other current assets included inventories totaling $32.3 million and $27.4 million, respectively, consisting entirely of raw materials and supplies.

Property, Plant and Equipment, Net

Property, plant and equipment is stated at cost and is set forth below:


	June 30, 2024		December 31, 2023
	(In thousands)
Land	$	10,620	$	10,627
Buildings	409,320		381,081
Machinery and equipment	1,145,636		1,108,504
Property under construction	548,760		571,758
	2,114,336		2,071,970
Less: Accumulated depreciation	872,798		843,450
Property, Plant and Equipment, Net	$	1,241,538	$	1,228,520

Accumulated Other Comprehensive Income (Loss)

The components of Accumulated other comprehensive income (loss) included in Stockholders' Equity are as follows:


	June 30, 2024		December 31, 2023
	(In thousands)
Currency translation adjustments	$	(7,809)	$	8,669
Net unrealized gain on derivative financial instruments	70		558
Unrecognized prior service cost on benefit obligations	(15,578)		(16,917)
Net unrealized gain on available-for-sale investments	273		227
Accumulated other comprehensive loss	$	(23,044)	$	(7,463)

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The amounts reclassified out of Accumulated other comprehensive income (loss) by component and the affected condensed consolidated statements of income line items are as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Accumulated Other Comprehensive Income (Loss) Component Recognized	(In thousands)								Line Item Presented
Realized gain (loss) on derivative financial instruments	$	125	$	98	$	91	$	127	Revenues
	(191)		261		(75)		398		Cost of operations
	(66)		359		16		525		Total before tax
	17		(89)		(4)		(132)		Provision for Income Taxes
	$	(49)	$	270	$	12	$	393	Net Income
Amortization of prior service cost on benefit obligations	$	(832)	$	(830)	$	(1,663)	$	(1,660)	Other – net
	163		153		324		326		Provision for Income Taxes
	$	(669)	$	(677)	$	(1,339)	$	(1,334)	Net Income
Total reclassification for the period	$	(718)	$	(407)	$	(1,327)	$	(941)

Derivative Financial Instruments

Our operations give rise to exposure to market risks from changes in foreign currency exchange ("FX") rates. We use derivative financial instruments, primarily FX forward contracts, to reduce the impact of changes in FX rates on our operating results. We use these instruments to hedge our exposure associated with revenues or costs on our long-term contracts and other transactions that are denominated in currencies other than our operating entities' functional currencies. We do not hold or issue derivative financial instruments for trading or other speculative purposes.

We enter into derivative financial instruments primarily as hedges of certain firm purchase and sale commitments and loans between domestic and foreign subsidiaries denominated in foreign currencies. We record these contracts at fair value on our condensed consolidated balance sheets. Based on the hedge designation at the inception of the contract, the related gains and losses on these contracts are deferred in stockholders' equity as a component of Accumulated other comprehensive income (loss) until the hedged item is recognized in earnings. The gain or loss on a derivative instrument not designated as a hedging instrument is immediately recognized in earnings. Gains and losses on derivative financial instruments that require immediate recognition are included as a component of Other – net on our condensed consolidated statements of income and are recorded in our condensed consolidated statements of cash flows based on the nature and use of the instruments.

We have designated the majority of our FX forward contracts that qualify for hedge accounting as cash flow hedges. The hedged risk is the risk of changes in functional-currency-equivalent cash flows attributable to changes in FX spot rates of forecasted transactions primarily related to long-term contracts. We exclude from our assessment of effectiveness the portion of the fair value of the FX forward contracts attributable to the difference between FX spot rates and FX forward rates. At June 30, 2024, we had deferred approximately $0.1 million of net gains on these derivative financial instruments. Assuming market conditions continue, we expect to recognize the majority of this amount in the next 12 months. For the three months ended June 30, 2024 and 2023, we recognized (gains) losses of $(5.1) million and $9.6 million, respectively, and for the six months ended June 30, 2024 and 2023, we recognized (gains) losses of $(14.8) million and $8.9 million, respectively, in Other – net on our condensed consolidated statements of income associated with FX forward contracts not designated as hedging instruments.

At June 30, 2024, our derivative financial instruments consisted of FX forward contracts with a total notional value of $478.6 million with maturities extending to July 2026. These instruments consist primarily of FX forward contracts to purchase or sell Canadian dollars and Euros. We are exposed to credit-related losses in the event of non-performance by counterparties to derivative financial instruments. We attempt to mitigate this risk by using major financial institutions with high credit ratings. Our counterparties to derivative financial instruments have the benefit of the same collateral arrangements and covenants as described under our credit facility.

New Accounting Standards

In November 2023, the FASB issued updates to FASB Topic Segment Reporting to improve disclosures about a public company's reportable segments and address requests from investors to provide additional, more detailed information about a

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reportable segment’s expenses on an interim and annual basis and provide in interim periods all disclosures currently only required on an annual basis. Additionally, it requires a public entity to disclose the title and position of the Company’s Chief Operating Decision Maker. These updates do not change how a public entity identifies its operating segments, aggregates them, or applies the quantitative thresholds to determine its reportable segments. The new standard is effective for annual periods beginning after December 15, 2023, and interim periods beginning after December 31, 2024, with early adoption permitted. This change will apply retrospectively to all periods presented. The adoption of this standard will only require changes to our disclosures with no impact on our results of operations, financial position or cash flows.

In December 2023, the FASB issued updates to FASB Topic Income Taxes to provide disaggregated disclosures with respect to the reconciliation of our effective tax rate, as well as a disaggregation of income taxes paid, net of refunds received. The new standard is effective for annual periods beginning after December 15, 2024, with early adoption permitted. This standard will apply on a prospective basis; however, retrospective application in all prior periods presented is permitted. The adoption of this standard will only require changes to our disclosures with no impact on our results of operations, financial position or cash flows.

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NOTE 2 – REVENUE RECOGNITION

As described in Note 1, our operations are assessed based on two reportable segments.

Disaggregated Revenues

Revenues by geographic area and customer type were as follows:


	Three Months Ended June 30, 2024				Three Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
United States:
Government	$	511,498	$	—	$	511,498	$	459,334	$	—	$	459,334
Non-Government	22,217		16,063		38,280		28,081		14,918		42,999
	$	533,715	$	16,063	$	549,778	$	487,415	$	14,918	$	502,333
Canada:
Government	$	23	$	—	$	23	$	37	$	—	$	37
Non-Government	151		120,516		120,667		385		100,093		100,478
	$	174	$	120,516	$	120,690	$	422	$	100,093	$	100,515
Other:
Government	$	637	$	—	$	637	$	1,155	$	—	$	1,155
Non-Government	6,320		4,912		11,232		2,975		5,909		8,884
	$	6,957	$	4,912	$	11,869	$	4,130	$	5,909	$	10,039
Segment Revenues	$	540,846	$	141,491	682,337		$	491,967	$	120,920	612,887
Eliminations					(872)						(442)
Revenues					$	681,465					$	612,445


	Six Months Ended June 30, 2024				Six Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
United States:
Government	$	973,730	$	—	$	973,730	$	890,912	$	—	$	890,912
Non-Government	43,827		32,858		76,685		51,773		26,196		77,969
	$	1,017,557	$	32,858	$	1,050,415	$	942,685	$	26,196	$	968,881
Canada:
Government	$	25	$	—	$	25	$	88	$	—	$	88
Non-Government	168		215,528		215,696		593		193,112		193,705
	$	193	$	215,528	$	215,721	$	681	$	193,112	$	193,793
Other:
Government	$	1,663	$	—	$	1,663	$	2,303	$	—	$	2,303
Non-Government	8,554		10,143		18,697		6,184		10,536		16,720
	$	10,217	$	10,143	$	20,360	$	8,487	$	10,536	$	19,023
Segment Revenues	$	1,027,967	$	258,529	1,286,496		$	951,853	$	229,844	1,181,697
Eliminations					(1,065)						(892)
Revenues					$	1,285,431					$	1,180,805

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Revenues by timing of transfer of goods or services were as follows:


	Three Months Ended June 30, 2024				Three Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Over time	$	537,906	$	112,125	$	650,031	$	486,730	$	94,764	$	581,494
Point-in-time	2,940		29,366		32,306		5,237		26,156		31,393
Segment Revenues	$	540,846	$	141,491	682,337		$	491,967	$	120,920	612,887
Eliminations					(872)						(442)
Revenues					$	681,465					$	612,445


	Six Months Ended June 30, 2024				Six Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Over time	$	1,022,194	$	208,980	$	1,231,174	$	941,541	$	190,716	$	1,132,257
Point-in-time	5,773		49,549		55,322		10,312		39,128		49,440
Segment Revenues	$	1,027,967	$	258,529	1,286,496		$	951,853	$	229,844	1,181,697
Eliminations					(1,065)						(892)
Revenues					$	1,285,431					$	1,180,805

Revenues by contract type were as follows:


	Three Months Ended June 30, 2024				Three Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Fixed-Price Incentive Fee	$	357,737	$	5,420	$	363,157	$	327,270	$	2,604	$	329,874
Firm-Fixed-Price	81,026		68,507		149,533		77,323		77,570		154,893
Cost-Plus Fee	102,083		—		102,083		86,410		—		86,410
Time-and-Materials	—		67,564		67,564		964		40,746		41,710
Segment Revenues	$	540,846	$	141,491	682,337		$	491,967	$	120,920	612,887
Eliminations					(872)						(442)
Revenues					$	681,465					$	612,445


	Six Months Ended June 30, 2024				Six Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Fixed-Price Incentive Fee	$	654,988	$	10,942	$	665,930	$	619,429	$	6,788	$	626,217
Firm-Fixed-Price	175,946		135,712		311,658		172,041		149,122		321,163
Cost-Plus Fee	195,798		—		195,798		159,225		—		159,225
Time-and-Materials	1,235		111,875		113,110		1,158		73,934		75,092
Segment Revenues	$	1,027,967	$	258,529	1,286,496		$	951,853	$	229,844	1,181,697
Eliminations					(1,065)						(892)
Revenues					$	1,285,431					$	1,180,805

Performance Obligations

As we progress on our contracts and the underlying performance obligations for which we recognize revenue over time, we refine our estimates of variable consideration and total estimated costs at completion, which impact the overall profitability on our contracts and performance obligations. Changes in these estimates result in the recognition of cumulative catch-up adjustments that impact our revenues and/or costs of contracts. The aggregate impact of changes in estimates decreased our revenues and operating income as follows:

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	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands)				(In thousands)
Revenues (1)	$	(2,098)	$	(5,209)	$	(2,791)	$	(13,042)
Operating Income (1)	$	(2,079)	$	(5,209)	$	(3,350)	$	(13,042)

(1)During the three and six months ended June 30, 2024 and 2023, no adjustment to any one contract had a material impact on our consolidated financial statements.

Contract Assets and Liabilities

We include revenues and related costs incurred, plus accumulated contract costs that exceed amounts invoiced to customers under the terms of the contracts, in Contracts in progress. Costs specific to certain contracts for which we recognize revenue at a point in time are also included in Contracts in progress. We include in Advance billings on contracts billings that exceed accumulated contract costs and revenues recognized over time. Amounts that are withheld on our fixed-price incentive fee contracts are classified within Retainages. Certain of these amounts require conditions other than the passage of time to be achieved, with the remaining amounts only requiring the passage of time. Most long-term contracts contain provisions for progress payments. Our unbilled receivables do not contain an allowance for credit losses as we expect to invoice customers and collect all amounts for unbilled receivables. Changes in Contracts in progress and Advance billings on contracts are primarily driven by differences in the timing of revenue recognition and billings to our customers. Our fixed-price incentive fee contracts for our Government Operations segment include provisions that result in an increase in retainages on contracts during the first and third quarters of the year, with larger payments received during the second and fourth quarters. Retainages also vary as a result of timing differences between incurring costs and achieving milestones that allow us to recover these amounts.


	June 30,		December 31,
	2024		2023
	(In thousands)
Included in Contracts in progress:
Unbilled receivables	$	604,361	$	519,931
Retainages	$	54,594	$	55,181
Advance billings on contracts	$	125,199	$	107,391

During the three months ended June 30, 2024 and 2023, we recognized $43.6 million and $29.7 million, respectively, of revenues that were in Advance billings on contracts at the beginning of each year. During the six months ended June 30, 2024 and 2023, we recognized $86.4 million and $69.2 million, respectively, of revenues that were in Advance billings on contracts at the beginning of each year.

Remaining Performance Obligations

Remaining performance obligations represent the dollar amount of revenue we expect to recognize in the future from performance obligations on contracts previously awarded and in progress. At June 30, 2024, our remaining performance obligations were $3,534.2 million. We expect to recognize approximately 68% of the revenue associated with our remaining performance obligations by the end of 2025, with the remainder to be recognized thereafter.

NOTE 3 – PENSION PLANS AND POSTRETIREMENT BENEFITS

We record the service cost component of net periodic benefit cost within Operating income on our condensed consolidated statements of income. For the three months ended June 30, 2024 and 2023, these amounts were $1.9 million and $2.0 million, respectively. For the six months ended June 30, 2024 and 2023, these amounts were $4.0 million and $3.9 million, respectively. All other components of net periodic benefit cost are included in Other – net within the condensed consolidated statements of income. For the three months ended June 30, 2024 and 2023, these amounts were $(2.7) million and $(2.4)

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million, respectively. For the six months ended June 30, 2024 and 2023, these amounts were $(5.7) million and $(4.9) million, respectively. Components of net periodic benefit cost included in net income were as follows:


	Pension Benefits								Other Benefits
	Three Months Ended June 30,				Six Months Ended June 30,				Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023		2024		2023		2024		2023
	(In thousands)
Service cost	$	1,768	$	1,879	$	3,765	$	3,758	$	96	$	84	$	193	$	169
Interest cost	11,133		11,949		22,763		23,859		503		534		1,008		1,069
Expected return on plan assets	(14,654)		(15,109)		(30,153)		(30,219)		(487)		(635)		(974)		(1,269)
Amortization of prior service cost	820		820		1,640		1,640		12		10		23		20

Net periodic benefit income	$	(933)	$	(461)	$	(1,985)	$	(962)	$	124	$	(7)	$	250	$	(11)

NOTE 4 – COMMITMENTS AND CONTINGENCIES

There were no material contingencies during the period covered by this Form 10-Q.

NOTE 5 – FAIR VALUE MEASUREMENTS

Investments

The following is a summary of our investments measured at fair value at June 30, 2024:


	Total		Level 1		Level 2		Level 3		Unclassified
	(In thousands)
Equity securities
Mutual funds	$	8,395	$	—	$	8,395	$	—	$	—
Available-for-sale securities
Corporate bonds	1,842		1,842		—		—		—
Total	$	10,237	$	1,842	$	8,395	$	—	$	—

The following is a summary of our investments measured at fair value at December 31, 2023:


	Total		Level 1		Level 2		Level 3		Unclassified
	(In thousands)
Equity securities
Mutual funds	$	7,713	$	—	$	7,713	$	—	$	—
Available-for-sale securities

Corporate bonds	1,783		1,783		—		—		—

Total	$	9,496	$	1,783	$	7,713	$	—	$	—

We estimate the fair value of investments based on quoted market prices. For investments for which there are no quoted market prices, we derive fair values from available yield curves for investments of similar quality and terms.

Derivatives

Level 2 derivative assets and liabilities currently consist of FX forward contracts. Where applicable, the value of these derivative assets and liabilities is computed by discounting the projected future cash flow amounts to present value using market-based observable inputs, including FX forward and spot rates, interest rates and counterparty performance risk adjustments. At June 30, 2024 and December 31, 2023, we had FX forward contracts outstanding to purchase or sell foreign currencies, primarily Canadian dollars and Euros, with a total fair value of $0.0 million and $(9.9) million, respectively. Derivative assets and liabilities are included in Accounts receivable – other and Accounts payable, respectively, on our condensed consolidated balance sheets.

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Other Financial Instruments

We used the following methods and assumptions in estimating our fair value disclosures for our other financial instruments, as follows:

Cash and cash equivalents and restricted cash and cash equivalents. The carrying amounts that we have reported in the accompanying condensed consolidated balance sheets for Cash and cash equivalents and Restricted cash and cash equivalents approximate their fair values due to their highly liquid nature.

Long-term and short-term debt. We base the fair values of debt instruments, including our 4.125% senior notes due 2028 (the "Senior Notes due 2028") and our 4.125% senior notes due 2029 (the "Senior Notes due 2029"), on quoted market prices. Where quoted prices are not available, we base the fair values on the present value of future cash flows discounted at estimated borrowing rates for similar debt instruments or on estimated prices based on current yields for debt issues of similar quality and terms. At June 30, 2024 and December 31, 2023, the fair value of the Senior Notes due 2028 was $371.6 million and $367.7 million, respectively, and the fair value of the Senior Notes due 2029 was $367.5 million and $367.0 million, respectively. The fair value of our remaining debt instruments approximated their carrying values at June 30, 2024 and December 31, 2023.

Note receivable. Included in Other Assets is a note receivable related to a third-party loan. We base the fair value of this level 2 note receivable instrument on the present value of future cash flows discounted at market interest rates for financial instruments with similar quality and terms. At June 30, 2024 and December 31, 2023, the carrying value of our note receivable was $6.9 million and $7.4 million, respectively, and approximated its fair value.

NOTE 6 – STOCK-BASED COMPENSATION

Stock-based compensation recognized for all of our plans for the three months ended June 30, 2024 and 2023 totaled $6.0 million and $4.9 million, respectively, with associated tax benefit totaling $1.1 million and $0.9 million, respectively. Stock-based compensation recognized for all of our plans for the six months ended June 30, 2024 and 2023 totaled $10.4 million and $8.8 million, respectively, with associated tax benefit totaling $1.8 million and $1.5 million, respectively.

NOTE 7 – SEGMENT REPORTING

As described in Note 1, our operations are assessed based on two reportable segments. An analysis of our operations by reportable segment is as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands)
REVENUES:
Government Operations	$	540,846	$	491,967	$	1,027,967	$	951,853
Commercial Operations	141,491		120,920		258,529		229,844

Eliminations	(872)		(442)		(1,065)		(892)
	$	681,465	$	612,445	$	1,285,431	$	1,180,805


OPERATING INCOME:
Government Operations	$	92,520	$	82,208	$	178,206	$	172,768
Commercial Operations	16,628		11,017		25,219		12,530
	$	109,148	$	93,225	$	203,425	$	185,298
Unallocated Corporate (1)	(10,342)		(6,559)		(11,658)		(10,790)
Total Operating Income	$	98,806	$	86,666	$	191,767	$	174,508
Other Income (Expense)	(7,177)		(8,727)		(11,761)		(16,895)
Income before Provision for Income Taxes	$	91,629	$	77,939	$	180,006	$	157,613

(1)Unallocated corporate includes general corporate overhead not allocated to segments.

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NOTE 8 – EARNINGS PER SHARE

The following table sets forth the computation of basic and diluted earnings per share:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands, except share and per share amounts)
Basic:
Net Income Attributable to BWX Technologies, Inc.	$	72,972	$	58,597	$	141,440	$	119,689
Weighted-average common shares	91,564,263		91,626,846		91,559,824		91,565,417
Basic earnings per common share	$	0.80	$	0.64	$	1.54	$	1.31
Diluted:
Net Income Attributable to BWX Technologies, Inc.	$	72,972	$	58,597	$	141,440	$	119,689
Weighted-average common shares (basic)	91,564,263		91,626,846		91,559,824		91,565,417
Effect of dilutive securities:
Stock options, restricted stock units and performance shares (1)	237,276		178,333		271,408		237,018
Adjusted weighted-average common shares	91,801,539		91,805,179		91,831,232		91,802,435
Diluted earnings per common share	$	0.79	$	0.64	$	1.54	$	1.30

(1)At June 30, 2024 and 2023, we excluded 140,335 and 160,426 shares, respectively, from our diluted share calculation as their effect would have been antidilutive.

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Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following information should be read in conjunction with the unaudited condensed consolidated financial statements and the notes thereto included in Item 1 in Part I of this quarterly report on Form 10-Q ("Report"), as well as the audited consolidated financial statements and the related notes and Item 7 of our annual report on Form 10-K for the year ended December 31, 2023 (our "2023 10-K").

In this Report, unless the context otherwise indicates, "we," "us" and "our" mean BWX Technologies, Inc. ("BWXT" or the "Company") and its consolidated subsidiaries.

Cautionary Statement Concerning Forward-Looking Statements

From time to time, our management or persons acting on our behalf make forward-looking statements to inform existing and potential security holders about our Company. Forward-looking statements include those statements that express a belief, expectation or intention, as well as those that are not statements of historical fact, within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Statements and assumptions regarding expectations and projections of specific projects, our future backlog, revenues, income, capital spending, strategic investments, acquisitions or divestitures, return of capital activities or margin improvement initiatives are examples of forward-looking statements. Forward-looking statements are generally accompanied by words such as "estimate," "project," "predict," "believe," "expect," "anticipate," "plan," "seek," "goal," "could," "intend," "may," "should" or other words that convey the uncertainty of future events or outcomes. In addition, sometimes we will specifically describe a statement as being a forward-looking statement and refer to this cautionary statement.

We have based our forward-looking statements on information currently available to us and our current expectations, estimates and projections about our Company, industries and business environment. We caution that these statements are not guarantees of future performance and you should not rely unduly on them as they involve risks, uncertainties and assumptions that we cannot predict. In addition, we have based many of these forward-looking statements on assumptions about future events that may prove to be inaccurate. While our management considers these statements and assumptions to be reasonable, they are inherently subject to numerous factors, including potentially the risk factors described in Item 1A of our 2023 10-K, most of which are difficult to predict and many of which are beyond our control. Accordingly, our actual results may differ materially from the future performance that we have expressed or forecast in our forward-looking statements.

We have discussed many of these factors in more detail elsewhere in this Report. These factors are not necessarily all the factors that could affect us. Unpredictable or unanticipated factors we have not discussed in this Report or in our 2023 10-K could also have material adverse effects on actual results of matters that are the subject of our forward-looking statements. We do not intend to update or review any forward-looking statement or our description of important factors, whether as a result of new information, future events or otherwise, except as required by applicable laws.

General

We operate in two reportable segments: Government Operations and Commercial Operations. In general, we operate in capital-intensive industries and rely on large contracts for a substantial amount of our revenues. We are currently exploring growth strategies across our segments to expand and complement our existing businesses. We would expect to fund these opportunities with cash generated from operations or by raising additional capital through debt, equity or some combination thereof.

Government Operations

The revenues of our Government Operations segment are largely a function of defense spending by the U.S. Government. Through this segment, we engineer, design and manufacture precision naval nuclear components, reactors and nuclear fuel for the U.S. Department of Energy ("DOE")/National Nuclear Safety Administration's Naval Nuclear Propulsion Program. In addition, we supply proprietary and sole-source valves, manifolds and fittings to global naval and commercial shipping customers. As a supplier of major nuclear components for certain U.S. Government programs, this segment is a significant participant in the defense industry.

This segment also provides various services to the U.S. Government by managing and operating high-consequence operations at U.S. nuclear weapons sites, national laboratories and manufacturing complexes. The revenues and equity income of investees under these types of contracts are largely a function of spending by the U.S. Government and the performance

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scores we and our consortium partners earn in managing and operating these sites. With our specialized capabilities of full life-cycle management of special materials, facilities and technologies, we believe this segment is well-positioned to continue participating in the ongoing cleanup, operation and management of critical government-owned nuclear sites, laboratories and manufacturing complexes maintained by the DOE, NASA and other federal agencies.

Additionally, this segment also develops technology for a variety of applications, including advanced nuclear power sources, and offers complete advanced nuclear fuel and reactor design and engineering, licensing and manufacturing services for new advanced nuclear reactors.

Commercial Operations

Through this segment, we design and manufacture commercial nuclear steam generators, heat exchangers, pressure vessels, reactor components, as well as other auxiliary equipment, including containers for the storage of spent nuclear fuel and other high-level nuclear waste. This segment is a leading supplier of nuclear fuel, fuel handling systems, tooling delivery systems, nuclear-grade materials and precisely machined components, and related services for CANDU nuclear power plants. This segment also provides a variety of engineering and in-plant services and is a significant supplier to nuclear power utilities undergoing major refurbishment and plant life extension projects. Additionally, this segment is a global manufacturer and supplier of critical medical radioisotopes and radiopharmaceuticals.

Our Commercial Operations segment's overall activity primarily depends on the demand and competitiveness of nuclear energy and the demand for critical radioisotopes and radiopharmaceuticals. A significant portion of our Commercial Operations segment's operations depends on the timing of maintenance outages, the cyclical nature of capital expenditures and major refurbishment and life extension projects, as well as the demand for nuclear fuel and fuel handling equipment primarily in the Canadian market, which could cause variability in our financial results.

Critical Accounting Estimates

For a summary of the critical accounting policies and estimates that we use in the preparation of our unaudited condensed consolidated financial statements, see Item 7 of our 2023 10-K. There have been no material changes to our critical accounting policies and estimates during the six months ended June 30, 2024.

Contracts & Revenue Recognition

We generally recognize estimated contract revenue and resulting income over time based on the measurement of the extent of progress toward completion using total costs incurred as a percentage of the total estimated project costs for individual performance obligations. We review contract price and cost estimates periodically as the work progresses and reflect adjustments proportionate to the percentage-of-completion in income in the period when those estimates are revised. If a current estimate of total contract costs indicates a loss on a contract, the projected loss is recognized in full when determined.

As we progress on our contracts and the underlying performance obligations, we refine our estimates of variable consideration and total estimated costs at completion, which impact the overall profitability on our contracts and performance obligations. Changes in these estimates result in the recognition of cumulative catch-up adjustments that impact our revenues and/or costs of contracts. The aggregate impact of changes in estimates decreased our revenues and operating income as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands)				(In thousands)
Revenues (1)	$	(2,098)	$	(5,209)	$	(2,791)	$	(13,042)
Operating Income (1)	$	(2,079)	$	(5,209)	$	(3,350)	$	(13,042)

(1)During the three and six months ended June 30, 2024 and 2023, no adjustment to any one contract had a material impact on our consolidated financial statements.

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Results of Operations – Three and Six Months Ended June 30, 2024 vs. Three and Six Months Ended June 30, 2023

Selected financial highlights are presented in the table below:


	Three Months Ended June 30,						Six Months Ended June 30,
	2024		2023		$ Change		2024		2023		$ Change
	(In thousands)
REVENUES:
Government Operations	$	540,846	$	491,967	$	48,879	$	1,027,967	$	951,853	$	76,114
Commercial Operations	141,491		120,920		20,571		258,529		229,844		28,685

Eliminations	(872)		(442)		(430)		(1,065)		(892)		(173)
	$	681,465	$	612,445	$	69,020	$	1,285,431	$	1,180,805	$	104,626
OPERATING INCOME:
Government Operations	$	92,520	$	82,208	$	10,312	$	178,206	$	172,768	$	5,438
Commercial Operations	16,628		11,017		5,611		25,219		12,530		12,689


	$	109,148	$	93,225	$	15,923	$	203,425	$	185,298	$	18,127
Unallocated Corporate	(10,342)		(6,559)		(3,783)		(11,658)		(10,790)		(868)
Total Operating Income	$	98,806	$	86,666	$	12,140	$	191,767	$	174,508	$	17,259

Consolidated Results of Operations

Three months ended June 30, 2024 vs. 2023

Consolidated revenues increased 11.3%, or $69.0 million, to $681.5 million in the three months ended June 30, 2024 compared to $612.4 million for the corresponding period of 2023 due to increases in our Government Operations and Commercial Operations segments of $48.9 million and $20.6 million, respectively.

Consolidated operating income increased $12.1 million to $98.8 million in the three months ended June 30, 2024 compared to $86.7 million for the corresponding period of 2023. Operating income in our Government Operations and Commercial Operations segments increased $10.3 million and $5.6 million, respectively. These increases were partially offset by an increase in Unallocated Corporate expenses of $3.8 million when compared to the corresponding period in the prior year.

Six months ended June 30, 2024 vs. 2023

Consolidated revenues increased 8.9%, or $104.6 million, to $1,285.4 million in the six months ended June 30, 2024 compared to $1,180.8 million for the corresponding period of 2023, due to increases in our Government Operations and Commercial Operations segments of $76.1 million and $28.7 million, respectively.

Consolidated operating income increased $17.3 million to $191.8 million in the six months ended June 30, 2024 compared to $174.5 million for the corresponding period of 2023. Operating income in our Government Operations and Commercial Operations segments increased $5.4 million and $12.7 million, respectively. These increases were partially offset by an increase in Unallocated Corporate expenses of $0.9 million when compared to the corresponding period in the prior year.

Government Operations


	Three Months Ended June 30,						Six Months Ended June 30,
	2024		2023		$ Change		2024		2023		$ Change
	(In thousands)
Revenues	$	540,846	$	491,967	$	48,879	$	1,027,967	$	951,853	$	76,114
Operating Income	$	92,520	$	82,208	$	10,312	$	178,206	$	172,768	$	5,438
% of Revenues	17.1%		16.7%				17.3%		18.2%

Three months ended June 30, 2024 vs. 2023

Revenues increased $48.9 million, or 9.9%, to $540.8 million in the three months ended June 30, 2024 compared to $492.0 million for the corresponding period of 2023. The increase was primarily driven by higher volume in the manufacture of

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nuclear components for U.S. Government programs when compared to the corresponding period in the prior year. Continued growth in design and engineering work executed by our advanced technologies business, particularly in the defense market, resulted in an additional increase in revenues of $15.2 million.

Operating income increased $10.3 million to $92.5 million in the three months ended June 30, 2024 compared to $82.2 million for the corresponding period of 2023, primarily driven by the operating income impact of the changes in revenues noted above. This was partially offset by investments in new digital and transformation related initiatives that caused an increase in selling, general and administrative expenses when compared to the corresponding period of the prior year.

Six months ended June 30, 2024 vs. 2023

Revenues increased $76.1 million, or 8.0%, to $1,028.0 million in the six months ended June 30, 2024 compared to $951.9 million for the corresponding period of 2023. The increase was primarily driven by higher volume in the manufacture of nuclear components for U.S. Government programs, partially offset by the timing of long-lead material procurements when compared to the corresponding period in the prior year. Continued growth in design and engineering work executed by our advanced technologies business, particularly in the defense market, resulted in additional revenues of $38.3 million.

Operating income increased $5.4 million to $178.2 million in the six months ended June 30, 2024 compared to $172.8 million for the corresponding period of 2023, primarily driven by the operating income impact of the changes in revenues noted above. This was partially offset by investments in new digital and transformation related initiatives that caused an increase in selling, general and administrative expenses when compared to the corresponding period of the prior year.

Commercial Operations


	Three Months Ended June 30,						Six Months Ended June 30,
	2024		2023		$ Change		2024		2023		$ Change
	(In thousands)
Revenues	$	141,491	$	120,920	$	20,571	$	258,529	$	229,844	$	28,685
Operating Income	$	16,628	$	11,017	$	5,611	$	25,219	$	12,530	$	12,689
% of Revenues	11.8%		9.1%				9.8%		5.5%

Three months ended June 30, 2024 vs. 2023

Revenues increased 17.0%, or $20.6 million, to $141.5 million in the three months ended June 30, 2024 compared to $120.9 million for the corresponding period of 2023. The increase was primarily related to higher revenues for in-plant inspection, maintenance and modification services and higher activity in our nuclear components business totaling $8.4 million and $4.4 million, respectively. We also experienced higher volume in our fuel handling, fuel fabrication and medical radioisotope businesses when compared to the same period in the prior year.

Operating income increased $5.6 million to $16.6 million in the three months ended June 30, 2024 compared to $11.0 million for the corresponding period of 2023. The increase was primarily due to the increase in revenues noted above as well as a shift in our product mix.

Six months ended June 30, 2024 vs. 2023

Revenues increased 12.5%, or $28.7 million, to $258.5 million in the six months ended June 30, 2024 compared to $229.8 million for the corresponding period of 2023. The increase was primarily related to in-plant inspection, maintenance and modification services totaling $17.8 million as well as higher revenues in our medical radioisotope and fuel fabrication businesses partially offset by lower revenues in our fuel handling and components parts manufacturing businesses.

Operating income increased $12.7 million to $25.2 million in the six months ended June 30, 2024 compared to $12.5 million for the corresponding period of 2023. The increase was primarily due to the increase in revenues noted above as well as a shift in our product mix.

Unallocated Corporate

Unallocated corporate expenses increased $3.8 million and $0.9 million in the three and six months ended June 30, 2024, respectively, when compared to the corresponding periods of 2023. During the third quarter of 2023, we undertook several

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initiatives to transform our current information technology infrastructure and to improve the effectiveness of our digital framework. These initiatives are expected to continue into 2026 and accounted for increases in expense of $3.4 million and $4.1 million for the three and six months ended June 30, 2024, respectively. These increases were partially offset by decreases in healthcare costs when compared to the corresponding periods in the prior year.

Provision for Income Taxes


	Three Months Ended June 30,						Six Months Ended June 30,
	2024		2023		$ Change		2024		2023		$ Change
	(In thousands)
Income before Provision for Income Taxes	$	91,629	$	77,939	$	13,690	$	180,006	$	157,613	$	22,393
Provision for Income Taxes	$	18,584	$	19,274	$	(690)	$	38,427	$	37,955	$	472
Effective Tax Rate	20.3%		24.7%				21.3%		24.1%

We primarily operate in the U.S., Canada, and the U.K. and we recognize our U.S. income tax provision based on the U.S. federal statutory rate of 21%, our Canadian tax provision based on the Canadian local statutory rate of approximately 25%, and our U.K. tax provision based on the U.K. local statutory rate of 25%.

Backlog

Backlog represents the dollar amount of revenue we expect to recognize in the future from contracts awarded and in progress. Not all of our expected revenue from a contract award is recorded in backlog for a variety of reasons, including that some projects are awarded and completed within the same reporting period.

Our backlog is equal to our remaining performance obligations under contracts that meet the criteria in FASB Topic Revenue from Contracts with Customers, as discussed in Note 2 to our condensed consolidated financial statements included in this Report. It is possible that our methodology for determining backlog may not be comparable to methods used by other companies.

We are subject to the budgetary and appropriations cycle of the U.S. Government as it relates to our Government Operations segment. Backlog may not be indicative of future operating results and projects in our backlog may be cancelled, modified or otherwise altered by customers.


	June 30, 2024		December 31, 2023
	(In approximate millions)
Government Operations	$	2,865	$	3,217
Commercial Operations	669		781

Total Backlog	$	3,534	$	3,998

We do not include the value of our unconsolidated joint venture contracts in backlog. These unconsolidated joint ventures are included in our Government Operations segment.

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As of June 30, 2024, our ending backlog was $3,534.2 million, which included $379.4 million of unfunded backlog related to U.S. Government contracts. We expect to recognize approximately 68% of the revenue associated with our backlog by the end of 2025, with the remainder to be recognized thereafter.

Major new awards from the U.S. Government are typically received following Congressional approval of the budget for the U.S. Government's next fiscal year, which starts October 1, and may not be awarded to us before the end of the calendar year. Due to the fact that most contracts awarded by the U.S. Government are subject to these annual funding approvals, the total values of the underlying programs are significantly larger.

The value of unexercised options excluded from backlog as of June 30, 2024, was approximately $100 million, which is expected to be awarded in 2024, subject to annual Congressional appropriations.

Liquidity and Capital Resources

Credit Facility

On October 12, 2022, we entered into an Amended and Restated Credit Agreement (the "Credit Facility") with Wells Fargo Bank, National Association, as administrative agent, and the other lenders party thereto. The Credit Facility consists of a $750 million senior secured revolving credit facility (the "Revolving Credit Facility") and a $250 million senior secured term A loan (the "Term Loan"). The Revolving Credit Facility and the Term Loan are scheduled to mature on October 12, 2027. The proceeds of loans under the Credit Facility are available for working capital needs, permitted acquisitions and other general corporate purposes.

The Credit Facility allows for additional parties to become lenders and, subject to certain conditions, for the increase of the commitments under the Credit Facility, subject to an aggregate maximum for all additional commitments of (1) the greater of (a) $400 million and (b) 100% of EBITDA, as defined in the Credit Facility, for the last four full fiscal quarters, plus (2) all voluntary prepayments of the Term Loan, plus (3) additional amounts provided the Company is in compliance with a pro forma first lien net leverage ratio test of less than or equal to 2.50 to 1.00.

The Company's obligations under the Credit Facility are guaranteed, subject to certain exceptions, by substantially all of the Company's present and future wholly owned domestic restricted subsidiaries. The Credit Facility is secured by first-priority liens on certain assets owned by the Company and its subsidiary guarantors (other than its subsidiaries comprising a portion of its Government Operations segment).

The Credit Facility requires interest payments on outstanding loans on a periodic basis until maturity. We are required to make quarterly amortization payments on the Term Loan in an amount equal to (i) 0.625% of the initial aggregate principal amount of the Term Loan on the last business day of each quarter beginning the quarter ended March 31, 2023 and ending the quarter ending December 31, 2024 and (ii) 1.25% of the initial aggregate principal amount of the Term Loan on the last business day of each quarter ending after December 31, 2024, with the balance of the Term Loan due at maturity. We may prepay all loans under the Credit Facility at any time without premium or penalty (other than customary Term SOFR breakage costs), subject to notice requirements.

The Credit Facility includes financial covenants that are evaluated on a quarterly basis, based on the rolling four-quarter period that ends on the last day of each fiscal quarter. The maximum permitted total net leverage ratio is 4.00 to 1.00, which may be increased to 4.50 to 1.00 for up to four consecutive fiscal quarters after a material acquisition. The minimum consolidated interest coverage ratio is 3.00 to 1.00. In addition, the Credit Facility contains various restrictive covenants, including with respect to debt, liens, investments, mergers, acquisitions, dividends, equity repurchases and asset sales. As of June 30, 2024, we were in compliance with all covenants set forth in the Credit Facility.

Outstanding loans under the Credit Facility bear interest at our option at either (1) the Term SOFR plus a credit spread adjustment of 0.10% plus a margin ranging from 1.0% to 1.75% per year or (2) the base rate plus a margin ranging from 0.0% to 0.75% per year. We are charged a commitment fee on the unused portion of the Revolving Credit Facility, and that fee ranges from 0.15% to 0.225% per year. Additionally, we are charged a letter of credit fee of between 1.0% and 1.75% per year with respect to the amount of each financial letter of credit issued under the Revolving Credit Facility, and a letter of credit fee of between 0.75% and 1.05% per year with respect to the amount of each performance letter of credit issued under the Revolving Credit Facility. The applicable margin for loans, the commitment fee and the letter of credit fees set forth above will vary quarterly based on our total net leverage ratio. Based on the total net leverage ratio applicable at June 30, 2024, the margin for Term SOFR and base rate loans was 1.25% and 0.25%, respectively, the letter of credit fee for financial letters of credit and

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performance letters of credit was 1.25% and 0.825%, respectively, and the commitment fee for the unused portion of the Revolving Credit Facility was 0.175%.

As of June 30, 2024, borrowings under the Term Loan totaled $240.6 million, borrowings and letters of credit issued under the Revolving Credit Facility totaled $180.0 million and $1.7 million, respectively, and we had $568.3 million available under the Revolving Credit Facility for borrowings and to meet letter of credit requirements. As of June 30, 2024, the weighted-average interest rate on outstanding borrowings under the Credit Facility was 6.69%.

The Credit Facility generally includes customary events of default for a secured credit facility. Under the Credit Facility, (1) if an event of default relating to bankruptcy or other insolvency events occurs with respect to the Company, all related obligations will immediately become due and payable; (2) if any other event of default exists, the lenders will be permitted to accelerate the maturity of the related obligations outstanding; and (3) if any event of default exists, the lenders will be permitted to terminate their commitments thereunder and exercise other rights and remedies, including the commencement of foreclosure or other actions against the collateral.

If any default occurs under the Credit Facility, or if we are unable to make any of the representations and warranties in the Credit Facility, we will be unable to borrow funds or have letters of credit issued under the Credit Facility.

Senior Notes due 2028

We issued $400 million aggregate principal amount of 4.125% senior notes due 2028 (the "Senior Notes due 2028") pursuant to an indenture dated June 12, 2020 (the "2020 Indenture"), among the Company, certain of our subsidiaries, as guarantors, and U.S. Bank Trust Company, National Association (formerly known as U.S. Bank National Association) ("U.S. Bank"), as trustee. The Senior Notes due 2028 are guaranteed by each of the Company's present and future direct and indirect wholly owned domestic subsidiaries that is a guarantor under the Credit Facility.

Interest on the Senior Notes due 2028 is payable semi-annually in cash in arrears on June 30 and December 30 of each year at a rate of 4.125% per annum. The Senior Notes due 2028 will mature on June 30, 2028.

We may redeem the Senior Notes due 2028, in whole or in part, at any time at a redemption price equal to (i) 101.031% of the principal amount to be redeemed if the redemption occurs during the 12-month period beginning on June 30, 2024 and (ii) 100.0% of the principal amount to be redeemed if the redemption occurs on or after June 30, 2025, in each case plus accrued and unpaid interest, if any, to, but excluding, the redemption date.

The 2020 Indenture contains customary events of default, including, among other things, payment default, failure to comply with covenants or agreements contained in the 2020 Indenture or the Senior Notes due 2028 and certain provisions related to bankruptcy events. The 2020 Indenture also contains customary negative covenants. As of June 30, 2024, we were in compliance with all covenants set forth in the 2020 Indenture and the Senior Notes due 2028.

Senior Notes due 2029

We issued $400 million aggregate principal amount of 4.125% senior notes due 2029 (the "Senior Notes due 2029") pursuant to an indenture dated April 13, 2021 (the "2021 Indenture"), among the Company, certain of our subsidiaries, as guarantors, and U.S. Bank, as trustee. The Senior Notes due 2029 are guaranteed by each of the Company's present and future direct and indirect wholly owned domestic subsidiaries that is a guarantor under the Credit Facility.

Interest on the Senior Notes due 2029 is payable semi-annually in cash in arrears on April 15 and October 15 of each year, at a rate of 4.125% per annum. The Senior Notes due 2029 will mature on April 15, 2029.

We may redeem the Senior Notes due 2029, in whole or in part, at any time at a redemption price equal to (i) 102.063% of the principal amount to be redeemed if the redemption occurs during the 12-month period beginning on April 15, 2024, (ii) 101.031% of the principal amount to be redeemed if the redemption occurs during the 12-month period beginning on April 15, 2025 and (iii) 100.0% of the principal amount to be redeemed if the redemption occurs on or after April 15, 2026, in each case plus accrued and unpaid interest, if any, to, but excluding, the redemption date.

The 2021 Indenture contains customary events of default, including, among other things, payment default, failure to comply with covenants or agreements contained in the 2021 Indenture or the Senior Notes due 2029 and certain provisions related to bankruptcy events. The 2021 Indenture also contains customary negative covenants. As of June 30, 2024, we were in compliance with all covenants set forth in the 2021 Indenture and the Senior Notes due 2029.

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Other Arrangements

We have posted surety bonds to support regulatory and contractual obligations for certain decommissioning responsibilities, projects and legal matters. We utilize bonding facilities to support such obligations, but the issuance of bonds under those facilities is typically at the surety's discretion, and the bonding facilities generally permit the surety, in its sole discretion, to terminate the facility or demand collateral. Although there can be no assurance that we will maintain our surety bonding capacity, we believe our current capacity is adequate to support our existing requirements for the next 12 months. In addition, these bonds generally indemnify the beneficiaries should we fail to perform our obligations under the applicable agreements. We, and certain of our subsidiaries, have jointly executed general agreements of indemnity in favor of surety underwriters relating to surety bonds those underwriters issue. As of June 30, 2024, bonds issued and outstanding under these arrangements totaled approximately $100.8 million.

Similarly, we have provided letters of credit to governmental agencies and contractual counterparties to support regulatory and contractual obligations for certain decommissioning responsibilities, projects and legal matters. We utilize our Revolving Credit Facility and a bilateral letter of credit facility to support such obligations, but the issuance of letters of credit under our bilateral letter of credit facility is at the issuer’s discretion, and our bilateral letter of credit facility generally permits the issuer, in its sole discretion, to demand collateral if the issuer does not otherwise have the benefit of the collateral under our Credit Facility. Although there can be no assurance that we will maintain our bilateral letter of credit facility capacity, we believe our current capacity, together with capacity under our Revolving Credit Facility, is adequate to support our existing requirements for the next 12 months. As of June 30, 2024, letters of credit issued and outstanding under our bilateral letter of credit facility totaled approximately $35.4 million, and such letters of credit are secured by the collateral under our Credit Facility.

Long-term Benefit Obligations

As of June 30, 2024, we had underfunded defined benefit pension and postretirement benefit plans with obligations totaling approximately $98.7 million. These long-term liabilities are expected to require use of our resources to satisfy future funding obligations. Based largely on statutory funding requirements, we expect to make contributions of approximately $2.6 million for the remainder of 2024 related to our pension and postretirement plans. We may also make additional contributions based on a variety of factors including, but not limited to, tax planning, evaluation of funded status and risk mitigation strategies.

Other

Cash, Cash Equivalents, Restricted Cash and Investments

Our domestic and foreign cash and cash equivalents, restricted cash and cash equivalents and investments as of June 30, 2024 and December 31, 2023 were as follows:


	June 30, 2024		December 31, 2023
	(In thousands)
Domestic	$	47,943	$	71,177
Foreign	16,893		19,934
Total	$	64,836	$	91,111

Our working capital increased by $58.5 million to $501.3 million at June 30, 2024 from $442.8 million at December 31, 2023, primarily attributable to changes in contracts in progress due to the timing of project cash flows which was partially offset by the timing of vendor payments.

Our net cash provided by operating activities increased by $31.3 million to $98.9 million in the six months ended June 30, 2024, compared to cash provided by operating activities of $67.6 million in the six months ended June 30, 2023. The increase in cash provided by operating activities was primarily attributable to an increase in net income.

Our net cash used in investing activities decreased by $5.3 million to $60.6 million in the six months ended June 30, 2024, compared to cash used in investing activities $65.9 million in the six months ended June 30, 2023 as a result of a decrease in purchases of property, plant and equipment.

Our net cash used in financing activities increased by $61.7 million to $65.0 million in the six months ended June 30, 2024, compared to cash used in financing activities of $3.3 million in the six months ended June 30, 2023. The increase in cash

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used in financing activities was primarily attributable to a reduction in net borrowings of long-term debt of $45.0 million as well as an increase in repurchases of common stock of $20.0 million when compared to the corresponding period of the prior year.

At June 30, 2024, we had restricted cash and cash equivalents totaling $6.3 million, $3.3 million of which was held for future decommissioning of facilities (which is included in other assets on our condensed consolidated balance sheets) and $2.9 million of which was held to meet reinsurance reserve requirements of our captive insurer.

At June 30, 2024, we had long-term investments with a fair value of $10.2 million. Our investment portfolio consists primarily of corporate bonds and mutual funds. Our debt securities are carried at fair value and are either classified as trading, with unrealized gains and losses reported in earnings, or as available-for-sale, with unrealized gains and losses, net of tax, being reported as a component of other comprehensive income. Our equity securities are carried at fair value with the unrealized gains and losses reported in earnings.

Cash Requirements

Our cash requirements have not changed materially from those disclosed in Item 7 of our 2023 10-K. We believe we have sufficient cash and cash equivalents and borrowing capacity, along with cash generated from operations and continued access to capital markets, to satisfy our cash requirements for the next 12 months and beyond.

Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Our exposures to market risks have not changed materially from those disclosed in Item 7A of our 2023 10-K.

Item 4. CONTROLS AND PROCEDURES

As of the end of the period covered by this Report, we carried out an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures (as that term is defined in Rules 13a-15(e) and 15d-15(e) adopted by the Securities and Exchange Commission ("SEC") under the Exchange Act). This evaluation was conducted under the supervision and with the participation of management, including our Chief Executive Officer and Chief Financial Officer. Our disclosure controls and procedures were developed through a process in which our management applied its judgment in assessing the costs and benefits of such controls and procedures, which, by their nature, can provide only reasonable assurance regarding the control objectives. You should note that the design of any system of disclosure controls and procedures is based in part upon various assumptions about the likelihood of future events, and we cannot assure you that any design will succeed in achieving its stated goals under all potential future conditions, regardless of how remote. Based on the evaluation referred to above, our Chief Executive Officer and Chief Financial Officer concluded that the design and operation of our disclosure controls and procedures are effective as of June 30, 2024 to provide reasonable assurance that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC, and such information is accumulated and communicated to management as appropriate to allow timely decisions regarding disclosure. There has been no change in our internal control over financial reporting during the three months ended June 30, 2024 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Table of Contents

PART II

OTHER INFORMATION

Item 1. LEGAL PROCEEDINGS

For information regarding ongoing investigations and litigation, see Note 4 to our unaudited condensed consolidated financial statements in Part I of this Report, which we incorporate by reference into this Item.

Item 1A. RISK FACTORS

In addition to the other information in this Report, the other factors presented in Item 1A of our 2023 10-K are some of the factors that could materially affect our business, financial condition or future results. There have been no material changes to our risk factors from those disclosed in our 2023 10-K.

Item 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Since November 2012, we have periodically announced that our Board of Directors has authorized share repurchase programs. The following table provides information on our purchases of equity securities during the three months ended June 30, 2024. Any shares purchased that were not part of a publicly announced plan or program are related to repurchases of common stock pursuant to the provisions of employee benefit plans that permit the repurchase of shares to satisfy statutory tax withholding obligations.


Period	Total number of shares purchased (1)	Average price paid per share		Total number of shares purchased as part of publicly announced plans or programs	Approximate dollar value of shares that may yet be purchased under the plans or programs (in millions) (2)
April 1, 2024 - April 30, 2024	89	$	98.20	—	$	377.6
May 1, 2024 - May 31, 2024	269	$	95.97	—	$	377.6
June 1, 2024 - June 30, 2024	—	$	—	—	$	377.6
Total	358	$	96.52	—

(1)Includes 89, 269 and 0 shares repurchased during April, May and June, respectively, pursuant to the provisions of employee benefit plans that permit the repurchase of shares to satisfy statutory tax withholding obligations.

(2)On April 30, 2021, our Board of Directors authorized us to repurchase an indeterminate number of shares of our common stock at an aggregate market value of up to $500 million with no expiration date.

Item 5. OTHER INFORMATION

Rule 10b5-1 Trading Arrangements

During the three months ended June 30, 2024, no director or officer of the Company adopted or terminated a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408(a) of Regulation S-K.

Table of Contents

Item 6. EXHIBITS


Exhibit Number						Description
3.1						Certificate of Amendment to Restated Certificate of Incorporation dated May 14, 2019 (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed with the SEC on May 17, 2019 (File No. 1-34658)).

3.2						Restated Certificate of Incorporation of the Company (incorporated by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K filed with the SEC on May 17, 2019 (File No. 1-34658)).

3.3						Amended and Restated Bylaws, effective August 2, 2023 (incorporated by reference to Exhibit 3.3 to the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2023 (File No. 1-34658)).

31.1						Rule 13a-14(a)/15d-14(a) certification of Chief Executive Officer.

31.2						Rule 13a-14(a)/15d-14(a) certification of Chief Financial Officer.

32.1						Section 1350 certification of Chief Executive Officer.

32.2						Section 1350 certification of Chief Financial Officer.

101.INS						Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

101.SCH						Inline XBRL Taxonomy Extension Schema Document

101.CAL						Inline XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF						Inline XBRL Taxonomy Extension Definition Linkbase Document

101.LAB						Inline XBRL Taxonomy Extension Label Linkbase Document

101.PRE						Inline XBRL Taxonomy Extension Presentation Linkbase Document

104						Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

Table of Contents

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

BWX TECHNOLOGIES, INC.

/s/ Robb A. LeMasters

By:

Robb A. LeMasters

Senior Vice President and Chief Financial Officer

(Principal Financial Officer and Duly Authorized

Representative)

/s/ Mike T. Fitzgerald

By:

Mike T. Fitzgerald

Vice President, Finance and Chief Accounting Officer

(Principal Accounting Officer and Duly Authorized

Representative)

August 5, 2024

EXHIBIT 31.1

CERTIFICATION

I, Rex D. Geveden, certify that:

1.I have reviewed this quarterly report on Form 10-Q of BWX Technologies, Inc. for the quarterly period ended June 30, 2024;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

August 5, 2024


			/s/ Rex D. Geveden
			Rex D. Geveden
			President and Chief Executive Officer

EXHIBIT 31.2

CERTIFICATION

I, Robb A. LeMasters, certify that:

1.I have reviewed this quarterly report on Form 10-Q of BWX Technologies, Inc. for the quarterly period ended June 30, 2024;

b.any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

August 5, 2024


			/s/ Robb A. LeMasters
			Robb A. LeMasters
			Senior Vice President and Chief Financial Officer

EXHIBIT 32.1

BWX TECHNOLOGIES, INC.

Certification Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), I, Rex D. Geveden, President and Chief Executive Officer of BWX Technologies, Inc., a Delaware corporation (the “Company”), hereby certify, to my knowledge, that:

(1)the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2024 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.



Dated: August 5, 2024						/s/ Rex D. Geveden
						Rex D. Geveden
						President and Chief Executive Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350 and is not being filed as part of the Report or as a separate disclosure document.

EXHIBIT 32.2

BWX TECHNOLOGIES, INC.

Certification Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), I, Robb A. LeMasters, Senior Vice President and Chief Financial Officer of BWX Technologies, Inc., a Delaware corporation (the “Company”), hereby certify, to my knowledge, that:

(2)information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.



Dated: August 5, 2024						/s/ Robb A. LeMasters
						Robb A. LeMasters
						Senior Vice President and Chief Financial Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350 and is not being filed as part of the Report or as a separate disclosure document.

Cover page - shares	6 Months Ended
Cover page - shares	Jun. 30, 2024	Aug. 01, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	001-34658
Entity Registrant Name	BWX TECHNOLOGIES, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	80-0558025
Entity Address, Address Line One	800 Main Street, 4th Floor
Entity Address, City or Town	Lynchburg,
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	24504
City Area Code	980
Local Phone Number	365-4300
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	BWXT
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		91,420,040
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Entity Central Index Key	0001486957
Current Fiscal Year End Date	--12-31

Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenues	$ 681,465	$ 612,445	$ 1,285,431	$ 1,180,805
Costs and Expenses:
Cost of operations	513,196	471,324	968,553	902,454
Research and development costs	1,271	2,595	2,761	4,799
Gains on asset disposals and impairments, net	(4)	(9)	(4)	(15)
Selling, general and administrative expenses	79,780	64,437	147,141	125,272
Total Costs and Expenses	594,243	538,347	1,118,451	1,032,510
Equity in Income of Investees	11,584	12,568	24,787	26,213
Operating Income	98,806	86,666	191,767	174,508
Other Income (Expense):
Interest income	540	517	1,386	980
Interest expense	(10,688)	(12,206)	(20,283)	(23,025)
Other – net	2,971	2,962	7,136	5,150
Total Other Income (Expense)	(7,177)	(8,727)	(11,761)	(16,895)
Income before Provision for Income Taxes	91,629	77,939	180,006	157,613
Provision for Income Taxes	18,584	19,274	38,427	37,955
Net Income	73,045	58,665	141,579	119,658
Net Loss (Income) Attributable to Noncontrolling Interest	(73)	(68)	(139)	31
Net Income Attributable to BWX Technologies, Inc.	$ 72,972	$ 58,597	$ 141,440	$ 119,689
Basic:
Net Income Attributable to BWX Technologies, Inc. (in usd per share)	$ 0.80	$ 0.64	$ 1.54	$ 1.31
Diluted:
Net Income Attributable to BWX Technologies, Inc. (in usd per share)	$ 0.79	$ 0.64	$ 1.54	$ 1.30
Shares used in the computation of earnings per share (Note 8):
Basic (in shares)	91,564,263	91,626,846	91,559,824	91,565,417
Diluted (in shares)	91,801,539	91,805,179	91,831,232	91,802,435

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net Income	$ 73,045	$ 58,665	$ 141,579	$ 119,658
Other Comprehensive Income (Loss):
Currency translation adjustments	(5,170)	10,923	(16,478)	12,617
Derivative financial instruments:
Unrealized (losses) gains arising during the period, net of tax benefit (provision) of $38, $22, $170 and $(209), respectively	(91)	(63)	(476)	614
Reclassification adjustment for losses (gains) included in net income, net of tax (benefit) provision of $(17), $89, $4 and $132, respectively	49	(270)	(12)	(393)
Amortization of benefit plan costs, net of tax benefit of $(163), $(153), $(324) and $(326), respectively	669	677	1,339	1,334
Unrealized gains arising during the period, net of tax provision of $(4), $(13), $(12) and $(11), respectively	18	47	46	38
Other Comprehensive Income (Loss)	(4,525)	11,314	(15,581)	14,210
Total Comprehensive Income	68,520	69,979	125,998	133,868
Comprehensive Loss (Income) Attributable to Noncontrolling Interest	(73)	(68)	(139)	31
Comprehensive Income Attributable to BWX Technologies, Inc.	$ 68,447	$ 69,911	$ 125,859	$ 133,899

Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Tax (benefit) on derivative financial instruments, unrealized (losses) gains	$ (38)	$ (22)	$ (170)	$ 209
Tax (benefit) provision on reclassification adjustment for losses (gains)	(17)	89	4	132
Tax benefit for amortization of benefit plans	(163)	(153)	(324)	(326)
Tax provision on unrealized gains on investments	$ (4)	$ (13)	$ (12)	$ (11)

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current Assets:
Cash and cash equivalents	$ 48,341	$ 75,766
Restricted cash and cash equivalents	2,927	2,858
Accounts receivable – trade, net	89,374	70,180
Accounts receivable – other	17,448	16,339
Retainages	54,594	55,181
Contracts in progress	622,062	533,155
Other current assets	75,097	64,322
Total Current Assets	909,843	817,801
Property, Plant and Equipment, Net	1,241,538	1,228,520
Investments	10,237	9,496
Goodwill	293,156	297,020
Deferred Income Taxes	13,115	16,332
Investments in Unconsolidated Affiliates	91,909	88,608
Intangible Assets	176,147	185,510
Other Assets	104,688	103,778
TOTAL	2,840,633	2,747,065
Current Liabilities:
Current portion of long-term debt	9,375	6,250
Accounts payable	164,306	126,651
Accrued employee benefits	47,056	64,544
Accrued liabilities – other	62,644	70,210
Advance billings on contracts	125,199	107,391
Total Current Liabilities	408,580	375,046
Long-Term Debt	1,203,196	1,203,422
Accumulated Postretirement Benefit Obligation	17,809	18,466
Environmental Liabilities	90,884	90,575
Pension Liability	76,784	82,786
Other Liabilities	45,129	43,469
Commitments and Contingencies (Note 4)
Stockholders' Equity:
Common stock, par value $0.01 per share, authorized 325,000,000 shares; issued 128,282,125 and 128,065,521 shares at June 30, 2024 and December 31, 2023, respectively	1,283	1,281
Preferred stock, par value $0.01 per share, authorized 75,000,000 shares; No shares issued	0	0
Capital in excess of par value	216,973	206,478
Retained earnings	2,191,079	2,093,917
Treasury stock at cost, 36,864,491 and 36,537,695 shares at June 30, 2024 and December 31, 2023, respectively	(1,387,803)	(1,360,862)
Accumulated other comprehensive income (loss)	(23,044)	(7,463)
Stockholders' Equity – BWX Technologies, Inc.	998,488	933,351
Noncontrolling interest	(237)	(50)
Total Stockholders' Equity	998,251	933,301
TOTAL	$ 2,840,633	$ 2,747,065

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	325,000,000	325,000,000
Common stock, shares issued (in shares)	128,282,125	128,065,521
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	75,000,000	75,000,000
Preferred stock, shares issued (in shares)	0	0
Treasury stock at cost, shares (in shares)	36,864,491	36,537,695

Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Stockholders' Equity	Common Stock	Capital In Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2022			127,671,756
Beginning balance at Dec. 31, 2022	$ 748,355	$ 748,310	$ 1,277	$ 189,263	$ 1,932,970	$ (21,930)	$ (1,353,270)	$ 45
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	60,993	61,092			61,092			(99)
Dividends declared	(21,231)	(21,231)			(21,231)
Currency translation adjustments	1,694	1,694				1,694
Derivative financial instruments	554	554				554
Defined benefit obligations	657	657				657
Available-for-sale investments	(9)	(9)				(9)
Exercises of stock options (in shares)			3,000
Exercises of stock options	72	72	$ 2	70
Shares placed in treasury	(6,903)	(6,903)					(6,903)
Stock-based compensation charges (in shares)			293,961
Stock-based compensation charges	3,893	3,893	$ 1	3,892
Distributions to noncontrolling interests	(67)							(67)
Ending balance (in shares) at Mar. 31, 2023			127,968,717
Ending balance at Mar. 31, 2023	788,008	788,129	$ 1,280	193,225	1,972,831	(19,034)	(1,360,173)	(121)
Beginning balance (in shares) at Dec. 31, 2022			127,671,756
Beginning balance at Dec. 31, 2022	748,355	748,310	$ 1,277	189,263	1,932,970	(21,930)	(1,353,270)	45
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	119,658
Currency translation adjustments	12,617
Ending balance (in shares) at Jun. 30, 2023			127,986,101
Ending balance at Jun. 30, 2023	841,528	841,659	$ 1,280	198,106	2,010,212	(7,720)	(1,360,219)	(131)
Beginning balance (in shares) at Mar. 31, 2023			127,968,717
Beginning balance at Mar. 31, 2023	788,008	788,129	$ 1,280	193,225	1,972,831	(19,034)	(1,360,173)	(121)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	58,665	58,597			58,597			68
Dividends declared	(21,216)	(21,216)			(21,216)
Currency translation adjustments	10,923	10,923				10,923
Derivative financial instruments	(333)	(333)				(333)
Defined benefit obligations	677	677				677
Available-for-sale investments	47	47				47
Exercises of stock options (in shares)			4,417
Exercises of stock options	105	105	$ 0	105
Shares placed in treasury	(46)	(46)					(46)
Stock-based compensation charges (in shares)			12,967
Stock-based compensation charges	4,776	4,776		4,776
Distributions to noncontrolling interests	(78)							(78)
Ending balance (in shares) at Jun. 30, 2023			127,986,101
Ending balance at Jun. 30, 2023	$ 841,528	841,659	$ 1,280	198,106	2,010,212	(7,720)	(1,360,219)	(131)
Beginning balance (in shares) at Dec. 31, 2023	128,065,521		128,065,521
Beginning balance at Dec. 31, 2023	$ 933,301	933,351	$ 1,281	206,478	2,093,917	(7,463)	(1,360,862)	(50)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	68,534	68,468			68,468			66
Dividends declared	(22,150)	(22,150)			(22,150)
Currency translation adjustments	(11,308)	(11,308)				(11,308)
Derivative financial instruments	(446)	(446)				(446)
Defined benefit obligations	670	670				670
Available-for-sale investments	28	28				28
Exercises of stock options (in shares)			7,294
Exercises of stock options	218	218		218
Shares placed in treasury	(26,906)	(26,906)					(26,906)
Stock-based compensation charges (in shares)			199,991
Stock-based compensation charges	4,297	4,297	$ 2	4,295
Distributions to noncontrolling interests	(172)							(172)
Ending balance (in shares) at Mar. 31, 2024			128,272,806
Ending balance at Mar. 31, 2024	$ 946,066	946,222	$ 1,283	210,991	2,140,235	(18,519)	(1,387,768)	(156)
Beginning balance (in shares) at Dec. 31, 2023	128,065,521		128,065,521
Beginning balance at Dec. 31, 2023	$ 933,301	933,351	$ 1,281	206,478	2,093,917	(7,463)	(1,360,862)	(50)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	141,579
Currency translation adjustments	$ (16,478)
Ending balance (in shares) at Jun. 30, 2024	128,282,125		128,282,125
Ending balance at Jun. 30, 2024	$ 998,251	998,488	$ 1,283	216,973	2,191,079	(23,044)	(1,387,803)	(237)
Beginning balance (in shares) at Mar. 31, 2024			128,272,806
Beginning balance at Mar. 31, 2024	946,066	946,222	$ 1,283	210,991	2,140,235	(18,519)	(1,387,768)	(156)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	73,045	72,972			72,972			73
Dividends declared	(22,128)	(22,128)			(22,128)
Currency translation adjustments	(5,170)	(5,170)				(5,170)
Derivative financial instruments	(42)	(42)				(42)
Defined benefit obligations	669	669				669
Available-for-sale investments	18	18				18
Exercises of stock options (in shares)			0
Exercises of stock options	0	0	$ 0	0
Shares placed in treasury	(35)	(35)					(35)
Stock-based compensation charges (in shares)			9,319
Stock-based compensation charges	5,982	5,982		5,982
Distributions to noncontrolling interests	$ (154)							(154)
Ending balance (in shares) at Jun. 30, 2024	128,282,125		128,282,125
Ending balance at Jun. 30, 2024	$ 998,251	$ 998,488	$ 1,283	$ 216,973	$ 2,191,079	$ (23,044)	$ (1,387,803)	$ (237)

Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in usd per share)	$ 0.24	$ 0.24	$ 0.23	$ 0.23

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 141,579	$ 119,658
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	42,160	38,404
Income of investees, net of dividends	(3,301)	(4,113)
Recognition of losses for pension and postretirement plans	1,663	1,660
Stock-based compensation expense	10,279	8,669
Other, net	(32)	131
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	(20,319)	(4,936)
Accounts payable	47,018	7,071
Retainages	587	(5,808)
Contracts in progress and advance billings on contracts	(78,722)	(47,278)
Income taxes	(6,741)	(10,830)
Accrued and other current liabilities	(328)	(13,158)
Pension liabilities, accrued postretirement benefit obligations and employee benefits	(23,625)	(17,865)
Other, net	(11,298)	(4,016)
NET CASH PROVIDED BY OPERATING ACTIVITIES	98,920	67,589
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(60,827)	(69,582)
Purchases of securities	0	(2,343)
Sales and maturities of securities	0	5,996
Other, net	203	15
NET CASH USED IN INVESTING ACTIVITIES	(60,624)	(65,914)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	241,400	210,900
Repayments of long-term debt	(239,525)	(164,025)
Repurchases of common stock	(20,000)	0
Dividends paid to common shareholders	(44,373)	(42,735)
Cash paid for shares withheld to satisfy employee taxes	(6,941)	(6,948)
Settlements of forward contracts, net	4,543	(520)
Other, net	(108)	46
NET CASH USED IN FINANCING ACTIVITIES	(65,004)	(3,282)
EFFECTS OF EXCHANGE RATE CHANGES ON CASH	(308)	196
TOTAL DECREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS	(27,016)	(1,411)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	81,615	40,990
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS AT END OF PERIOD	54,599	39,579
Cash paid during the period for:
Interest	32,181	34,602
Income taxes (net of refunds)	45,382	48,315
SCHEDULE OF NON-CASH INVESTING ACTIVITY:
Accrued capital expenditures included in accounts payable	$ 9,273	$ 10,694

Basis of Presentation and Significant Accounting Policies

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Basis of Presentation and Significant Accounting Policies

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES

Unless the context otherwise indicates, "we," "us" and "our" mean BWXT and its consolidated subsidiaries.

Reportable Segments

We operate in two reportable segments: Government Operations and Commercial Operations. Our reportable segments are further described as follows:

Recently Adopted Accounting Standards

There were no accounting standards adopted during the six months ended June 30, 2024 that had a significant impact on our financial position, results of operations, cash flows or disclosures.

Contracts and Revenue Recognition

See Note 2 for a further discussion of revenue recognition.

Provision for Income Taxes

Cash and Cash Equivalents and Restricted Cash and Cash Equivalents


	June 30, 2024		December 31, 2023
	(In thousands)
Cash and cash equivalents	$	48,341	$	75,766
Restricted cash and cash equivalents	2,927		2,858
Restricted cash and cash equivalents included in Other Assets	3,331		2,991
Total cash and cash equivalents and restricted cash and cash equivalents as presented on our condensed consolidated statements of cash flows	$	54,599	$	81,615

Inventories

At June 30, 2024 and December 31, 2023, Other current assets included inventories totaling $32.3 million and $27.4 million, respectively, consisting entirely of raw materials and supplies.

Property, Plant and Equipment, Net

Property, plant and equipment is stated at cost and is set forth below:


	June 30, 2024		December 31, 2023
	(In thousands)
Land	$	10,620	$	10,627
Buildings	409,320		381,081
Machinery and equipment	1,145,636		1,108,504
Property under construction	548,760		571,758
	2,114,336		2,071,970
Less: Accumulated depreciation	872,798		843,450
Property, Plant and Equipment, Net	$	1,241,538	$	1,228,520

Accumulated Other Comprehensive Income (Loss)

The components of Accumulated other comprehensive income (loss) included in Stockholders' Equity are as follows:


	June 30, 2024		December 31, 2023
	(In thousands)
Currency translation adjustments	$	(7,809)	$	8,669
Net unrealized gain on derivative financial instruments	70		558
Unrecognized prior service cost on benefit obligations	(15,578)		(16,917)
Net unrealized gain on available-for-sale investments	273		227
Accumulated other comprehensive loss	$	(23,044)	$	(7,463)

The amounts reclassified out of Accumulated other comprehensive income (loss) by component and the affected condensed consolidated statements of income line items are as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Accumulated Other Comprehensive Income (Loss) Component Recognized	(In thousands)								Line Item Presented
Realized gain (loss) on derivative financial instruments	$	125	$	98	$	91	$	127	Revenues
	(191)		261		(75)		398		Cost of operations
	(66)		359		16		525		Total before tax
	17		(89)		(4)		(132)		Provision for Income Taxes
	$	(49)	$	270	$	12	$	393	Net Income
Amortization of prior service cost on benefit obligations	$	(832)	$	(830)	$	(1,663)	$	(1,660)	Other – net
	163		153		324		326		Provision for Income Taxes
	$	(669)	$	(677)	$	(1,339)	$	(1,334)	Net Income
Total reclassification for the period	$	(718)	$	(407)	$	(1,327)	$	(941)

Derivative Financial Instruments

New Accounting Standards

Revenue Recognition

6 Months Ended

Jun. 30, 2024

Revenue from Contract with Customer [Abstract]

Revenue Recognition

REVENUE RECOGNITION

As described in Note 1, our operations are assessed based on two reportable segments.

Disaggregated Revenues

Revenues by geographic area and customer type were as follows:


	Three Months Ended June 30, 2024				Three Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
United States:
Government	$	511,498	$	—	$	511,498	$	459,334	$	—	$	459,334
Non-Government	22,217		16,063		38,280		28,081		14,918		42,999
	$	533,715	$	16,063	$	549,778	$	487,415	$	14,918	$	502,333
Canada:
Government	$	23	$	—	$	23	$	37	$	—	$	37
Non-Government	151		120,516		120,667		385		100,093		100,478
	$	174	$	120,516	$	120,690	$	422	$	100,093	$	100,515
Other:
Government	$	637	$	—	$	637	$	1,155	$	—	$	1,155
Non-Government	6,320		4,912		11,232		2,975		5,909		8,884
	$	6,957	$	4,912	$	11,869	$	4,130	$	5,909	$	10,039
Segment Revenues	$	540,846	$	141,491	682,337		$	491,967	$	120,920	612,887
Eliminations					(872)						(442)
Revenues					$	681,465					$	612,445


	Six Months Ended June 30, 2024				Six Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
United States:
Government	$	973,730	$	—	$	973,730	$	890,912	$	—	$	890,912
Non-Government	43,827		32,858		76,685		51,773		26,196		77,969
	$	1,017,557	$	32,858	$	1,050,415	$	942,685	$	26,196	$	968,881
Canada:
Government	$	25	$	—	$	25	$	88	$	—	$	88
Non-Government	168		215,528		215,696		593		193,112		193,705
	$	193	$	215,528	$	215,721	$	681	$	193,112	$	193,793
Other:
Government	$	1,663	$	—	$	1,663	$	2,303	$	—	$	2,303
Non-Government	8,554		10,143		18,697		6,184		10,536		16,720
	$	10,217	$	10,143	$	20,360	$	8,487	$	10,536	$	19,023
Segment Revenues	$	1,027,967	$	258,529	1,286,496		$	951,853	$	229,844	1,181,697
Eliminations					(1,065)						(892)
Revenues					$	1,285,431					$	1,180,805

Revenues by timing of transfer of goods or services were as follows:


	Three Months Ended June 30, 2024				Three Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Over time	$	537,906	$	112,125	$	650,031	$	486,730	$	94,764	$	581,494
Point-in-time	2,940		29,366		32,306		5,237		26,156		31,393
Segment Revenues	$	540,846	$	141,491	682,337		$	491,967	$	120,920	612,887
Eliminations					(872)						(442)
Revenues					$	681,465					$	612,445


	Six Months Ended June 30, 2024				Six Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Over time	$	1,022,194	$	208,980	$	1,231,174	$	941,541	$	190,716	$	1,132,257
Point-in-time	5,773		49,549		55,322		10,312		39,128		49,440
Segment Revenues	$	1,027,967	$	258,529	1,286,496		$	951,853	$	229,844	1,181,697
Eliminations					(1,065)						(892)
Revenues					$	1,285,431					$	1,180,805

Revenues by contract type were as follows:


	Three Months Ended June 30, 2024				Three Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Fixed-Price Incentive Fee	$	357,737	$	5,420	$	363,157	$	327,270	$	2,604	$	329,874
Firm-Fixed-Price	81,026		68,507		149,533		77,323		77,570		154,893
Cost-Plus Fee	102,083		—		102,083		86,410		—		86,410
Time-and-Materials	—		67,564		67,564		964		40,746		41,710
Segment Revenues	$	540,846	$	141,491	682,337		$	491,967	$	120,920	612,887
Eliminations					(872)						(442)
Revenues					$	681,465					$	612,445


	Six Months Ended June 30, 2024				Six Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Fixed-Price Incentive Fee	$	654,988	$	10,942	$	665,930	$	619,429	$	6,788	$	626,217
Firm-Fixed-Price	175,946		135,712		311,658		172,041		149,122		321,163
Cost-Plus Fee	195,798		—		195,798		159,225		—		159,225
Time-and-Materials	1,235		111,875		113,110		1,158		73,934		75,092
Segment Revenues	$	1,027,967	$	258,529	1,286,496		$	951,853	$	229,844	1,181,697
Eliminations					(1,065)						(892)
Revenues					$	1,285,431					$	1,180,805

Performance Obligations


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands)				(In thousands)
Revenues (1)	$	(2,098)	$	(5,209)	$	(2,791)	$	(13,042)
Operating Income (1)	$	(2,079)	$	(5,209)	$	(3,350)	$	(13,042)

(1)During the three and six months ended June 30, 2024 and 2023, no adjustment to any one contract had a material impact on our consolidated financial statements.

Contract Assets and Liabilities


	June 30,		December 31,
	2024		2023
	(In thousands)
Included in Contracts in progress:
Unbilled receivables	$	604,361	$	519,931
Retainages	$	54,594	$	55,181
Advance billings on contracts	$	125,199	$	107,391

Remaining Performance Obligations

Pension Plans and Postretirement Benefits

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Pension Plans and Postretirement Benefits

PENSION PLANS AND POSTRETIREMENT BENEFITS


	Pension Benefits								Other Benefits
	Three Months Ended June 30,				Six Months Ended June 30,				Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023		2024		2023		2024		2023
	(In thousands)
Service cost	$	1,768	$	1,879	$	3,765	$	3,758	$	96	$	84	$	193	$	169
Interest cost	11,133		11,949		22,763		23,859		503		534		1,008		1,069
Expected return on plan assets	(14,654)		(15,109)		(30,153)		(30,219)		(487)		(635)		(974)		(1,269)
Amortization of prior service cost	820		820		1,640		1,640		12		10		23		20

Net periodic benefit income	$	(933)	$	(461)	$	(1,985)	$	(962)	$	124	$	(7)	$	250	$	(11)

Commitments and Contingencies	6 Months Ended
Commitments and Contingencies	Jun. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	COMMITMENTS AND CONTINGENCIES There were no material contingencies during the period covered by this Form 10-Q.

Fair Value Measurements

6 Months Ended

Jun. 30, 2024

Fair Value Disclosures [Abstract]

Fair Value Measurements

FAIR VALUE MEASUREMENTS

Investments

The following is a summary of our investments measured at fair value at June 30, 2024:


	Total		Level 1		Level 2		Level 3		Unclassified
	(In thousands)
Equity securities
Mutual funds	$	8,395	$	—	$	8,395	$	—	$	—
Available-for-sale securities
Corporate bonds	1,842		1,842		—		—		—
Total	$	10,237	$	1,842	$	8,395	$	—	$	—

The following is a summary of our investments measured at fair value at December 31, 2023:


	Total		Level 1		Level 2		Level 3		Unclassified
	(In thousands)
Equity securities
Mutual funds	$	7,713	$	—	$	7,713	$	—	$	—
Available-for-sale securities

Corporate bonds	1,783		1,783		—		—		—

Total	$	9,496	$	1,783	$	7,713	$	—	$	—

Derivatives

Other Financial Instruments

We used the following methods and assumptions in estimating our fair value disclosures for our other financial instruments, as follows:

Stock-Based Compensation	6 Months Ended
Stock-Based Compensation	Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]
Stock-Based Compensation	STOCK-BASED COMPENSATION Stock-based compensation recognized for all of our plans for the three months ended June 30, 2024 and 2023 totaled $6.0 million and $4.9 million, respectively, with associated tax benefit totaling $1.1 million and $0.9 million, respectively. Stock-based compensation recognized for all of our plans for the six months ended June 30, 2024 and 2023 totaled $10.4 million and $8.8 million, respectively, with associated tax benefit totaling $1.8 million and $1.5 million, respectively.

Segment Reporting

6 Months Ended

Jun. 30, 2024

Segment Reporting [Abstract]

Segment Reporting

SEGMENT REPORTING

As described in Note 1, our operations are assessed based on two reportable segments. An analysis of our operations by reportable segment is as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands)
REVENUES:
Government Operations	$	540,846	$	491,967	$	1,027,967	$	951,853
Commercial Operations	141,491		120,920		258,529		229,844

Eliminations	(872)		(442)		(1,065)		(892)
	$	681,465	$	612,445	$	1,285,431	$	1,180,805


OPERATING INCOME:
Government Operations	$	92,520	$	82,208	$	178,206	$	172,768
Commercial Operations	16,628		11,017		25,219		12,530
	$	109,148	$	93,225	$	203,425	$	185,298
Unallocated Corporate (1)	(10,342)		(6,559)		(11,658)		(10,790)
Total Operating Income	$	98,806	$	86,666	$	191,767	$	174,508
Other Income (Expense)	(7,177)		(8,727)		(11,761)		(16,895)
Income before Provision for Income Taxes	$	91,629	$	77,939	$	180,006	$	157,613

(1)Unallocated corporate includes general corporate overhead not allocated to segments.

Earnings Per Share

6 Months Ended

Jun. 30, 2024

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

The following table sets forth the computation of basic and diluted earnings per share:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands, except share and per share amounts)
Basic:
Net Income Attributable to BWX Technologies, Inc.	$	72,972	$	58,597	$	141,440	$	119,689
Weighted-average common shares	91,564,263		91,626,846		91,559,824		91,565,417
Basic earnings per common share	$	0.80	$	0.64	$	1.54	$	1.31
Diluted:
Net Income Attributable to BWX Technologies, Inc.	$	72,972	$	58,597	$	141,440	$	119,689
Weighted-average common shares (basic)	91,564,263		91,626,846		91,559,824		91,565,417
Effect of dilutive securities:
Stock options, restricted stock units and performance shares (1)	237,276		178,333		271,408		237,018
Adjusted weighted-average common shares	91,801,539		91,805,179		91,831,232		91,802,435
Diluted earnings per common share	$	0.79	$	0.64	$	1.54	$	1.30

(1)At June 30, 2024 and 2023, we excluded 140,335 and 160,426 shares, respectively, from our diluted share calculation as their effect would have been antidilutive.

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Pay vs Performance Disclosure
Net Income (Loss) Attributable to Parent	$ 72,972	$ 58,597	$ 141,440	$ 119,689

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Jun. 30, 2024
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Basis of Presentation and Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2024
Accounting Policies [Abstract]
Basis of Presentation	We have presented the condensed consolidated financial statements of BWX Technologies, Inc. ("BWXT" or the "Company") in U.S. dollars in accordance with the interim reporting requirements of Form 10-Q, Rule 10-01 of Regulation S-X and accounting principles generally accepted in the United States ("GAAP"). Certain financial information and disclosures normally included in our financial statements prepared annually in accordance with GAAP have been condensed or omitted. Readers of these financial statements should, therefore, refer to the consolidated financial statements and notes in our annual report on Form 10-K for the year ended December 31, 2023 (our "2023 10-K"). We have included all adjustments, in the opinion of management, consisting only of normal recurring adjustments, necessary for a fair presentation.
Consolidation	We use the equity method to account for investments in entities that we do not control, but over which we have the ability to exercise significant influence. We generally refer to these entities as "joint ventures." We have eliminated all intercompany transactions and accounts. We classify assets and liabilities related to long-term contracts as current using the duration of the related contract or program as our operating cycle, which is generally longer than one year. We present the notes to our condensed consolidated financial statements on the basis of continuing operations, unless otherwise stated. Unless the context otherwise indicates, "we," "us" and "our" mean BWXT and its consolidated subsidiaries.
Reportable Segments	We operate in two reportable segments: Government Operations and Commercial Operations. Our reportable segments are further described as follows: •Our Government Operations segment manufactures naval nuclear reactors, including the related nuclear fuel, for the U.S. Naval Nuclear Propulsion Program for use in submarines and aircraft carriers. Through this segment, we also fabricate fuel-bearing precision components that range in weight from a few grams to hundreds of tons, manufacture electro-mechanical equipment, perform design, manufacturing, inspection, assembly and testing activities and downblend Cold War-era government stockpiles of high-enriched uranium. In addition, we supply proprietary and sole-source valves, manifolds and fittings to global naval and commercial shipping customers. In-house capabilities also include wet chemistry uranium processing, advanced heat treatment to optimize component material properties and a controlled, clean-room environment with the capacity to assemble railcar-size components. This segment also provides various other services, primarily through joint ventures, to the U.S. Government including nuclear materials management and operation, environmental management and administrative and operating services for various U.S. Government-owned facilities. These services are primarily provided to the U.S. Department of Energy ("DOE"), including the National Nuclear Security Administration, the Office of Nuclear Energy, the Office of Science and the Office of Environmental Management, the Department of Defense and NASA. In addition, this segment also develops technology for advanced nuclear reactors for a variety of power and propulsion applications in the space and terrestrial domains and offers complete advanced nuclear fuel and reactor design and engineering, licensing and manufacturing services for these programs. •Our Commercial Operations segment fabricates commercial nuclear steam generators, nuclear fuel, fuel handling systems, pressure vessels, reactor components, heat exchangers, tooling delivery systems and other auxiliary equipment, including containers for the storage of spent nuclear fuel and other high-level waste, and supplies nuclear-grade materials and precisely machined components for nuclear utility customers. We have supplied the nuclear industry with more than 1,300 large, heavy components worldwide and are the only commercial heavy nuclear component manufacturer in North America. This segment also provides specialized engineering services that include structural component design, 3-D thermal-hydraulic engineering analysis, weld and robotic process development, electrical and controls engineering and metallurgy and materials engineering. In addition, this segment offers in-plant inspection, maintenance and modification services for nuclear steam generators, heat exchangers, reactors, fuel handling systems and balance of plant equipment, as well as specialized non-destructive examination and tooling/repair solutions. This segment also manufactures medical radioisotopes, radiopharmaceuticals and medical devices, and partners with life science and pharmaceutical companies developing new drugs.
Recently Adopted Accounting Standards and New Accounting Standards	There were no accounting standards adopted during the six months ended June 30, 2024 that had a significant impact on our financial position, results of operations, cash flows or disclosures. In November 2023, the FASB issued updates to FASB Topic Segment Reporting to improve disclosures about a public company's reportable segments and address requests from investors to provide additional, more detailed information about a reportable segment’s expenses on an interim and annual basis and provide in interim periods all disclosures currently only required on an annual basis. Additionally, it requires a public entity to disclose the title and position of the Company’s Chief Operating Decision Maker. These updates do not change how a public entity identifies its operating segments, aggregates them, or applies the quantitative thresholds to determine its reportable segments. The new standard is effective for annual periods beginning after December 15, 2023, and interim periods beginning after December 31, 2024, with early adoption permitted. This change will apply retrospectively to all periods presented. The adoption of this standard will only require changes to our disclosures with no impact on our results of operations, financial position or cash flows. In December 2023, the FASB issued updates to FASB Topic Income Taxes to provide disaggregated disclosures with respect to the reconciliation of our effective tax rate, as well as a disaggregation of income taxes paid, net of refunds received. The new standard is effective for annual periods beginning after December 15, 2024, with early adoption permitted. This standard will apply on a prospective basis; however, retrospective application in all prior periods presented is permitted. The adoption of this standard will only require changes to our disclosures with no impact on our results of operations, financial position or cash flows.
Contracts and Revenue Recognition	We generally recognize contract revenues and related costs over time for individual performance obligations based on a cost-to-cost method in accordance with FASB Topic Revenue from Contracts with Customers. We recognize estimated contract revenue and resulting income based on the measurement of the extent of progress toward completion as a percentage of the total project. Certain costs may be excluded from the cost-to-cost method of measuring progress, such as significant costs for uninstalled materials, if such costs do not depict our performance in transferring control of goods or services to the customer. We review contract price and cost estimates periodically as the work progresses and reflect adjustments proportionate to the percentage-of-completion in income in the period when those estimates are revised. We recognize revenue on certain cost plus and time and materials contracts equal to the amount we have the right to invoice the customer when performance obligations are satisfied over time and the invoice amount corresponds directly with the value we are providing the customer. Certain of our contracts recognize revenue at a point in time, and revenue on these contracts is recognized when control transfers to the customer. The majority of our revenue that is recognized at a point in time is related to parts and certain medical radioisotopes and radiopharmaceuticals in our Commercial Operations segment. For all contracts, if a current estimate of total contract cost indicates a loss on a contract, the projected loss is recognized in full when determined. See Note 2 for a further discussion of revenue recognition.
Provision for Income Taxes	We are subject to federal income tax in the U.S., Canada, and the U.K., as well as income tax within multiple U.S. state jurisdictions. We provide for income taxes based on the enacted tax laws and rates in the jurisdictions in which we conduct our operations. These jurisdictions may have regimes of taxation that vary with respect to nominal rates and with respect to the basis on which these rates are applied. This variation, along with changes in our mix of income within these jurisdictions, can contribute to shifts in our effective tax rate from period to period.
Cash and Cash Equivalents and Restricted Cash and Cash Equivalents	At June 30, 2024, we had restricted cash and cash equivalents totaling $6.3 million, $3.3 million of which was held for future decommissioning of facilities (which is included in Other Assets on our condensed consolidated balance sheets) and $2.9 million of which was held to meet reinsurance reserve requirements of our captive insurer.
Inventories	At June 30, 2024 and December 31, 2023, Other current assets included inventories totaling $32.3 million and $27.4 million, respectively, consisting entirely of raw materials and supplies.
Derivative Financial Instruments	Our operations give rise to exposure to market risks from changes in foreign currency exchange ("FX") rates. We use derivative financial instruments, primarily FX forward contracts, to reduce the impact of changes in FX rates on our operating results. We use these instruments to hedge our exposure associated with revenues or costs on our long-term contracts and other transactions that are denominated in currencies other than our operating entities' functional currencies. We do not hold or issue derivative financial instruments for trading or other speculative purposes. We enter into derivative financial instruments primarily as hedges of certain firm purchase and sale commitments and loans between domestic and foreign subsidiaries denominated in foreign currencies. We record these contracts at fair value on our condensed consolidated balance sheets. Based on the hedge designation at the inception of the contract, the related gains and losses on these contracts are deferred in stockholders' equity as a component of Accumulated other comprehensive income (loss) until the hedged item is recognized in earnings. The gain or loss on a derivative instrument not designated as a hedging instrument is immediately recognized in earnings. Gains and losses on derivative financial instruments that require immediate recognition are included as a component of Other – net on our condensed consolidated statements of income and are recorded in our condensed consolidated statements of cash flows based on the nature and use of the instruments. We have designated the majority of our FX forward contracts that qualify for hedge accounting as cash flow hedges. The hedged risk is the risk of changes in functional-currency-equivalent cash flows attributable to changes in FX spot rates of forecasted transactions primarily related to long-term contracts. We exclude from our assessment of effectiveness the portion of the fair value of the FX forward contracts attributable to the difference between FX spot rates and FX forward rates.

Basis of Presentation and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Cash and Cash Equivalents


	June 30, 2024		December 31, 2023
	(In thousands)
Cash and cash equivalents	$	48,341	$	75,766
Restricted cash and cash equivalents	2,927		2,858
Restricted cash and cash equivalents included in Other Assets	3,331		2,991
Total cash and cash equivalents and restricted cash and cash equivalents as presented on our condensed consolidated statements of cash flows	$	54,599	$	81,615

Restricted Cash and Cash Equivalents


	June 30, 2024		December 31, 2023
	(In thousands)
Cash and cash equivalents	$	48,341	$	75,766
Restricted cash and cash equivalents	2,927		2,858
Restricted cash and cash equivalents included in Other Assets	3,331		2,991
Total cash and cash equivalents and restricted cash and cash equivalents as presented on our condensed consolidated statements of cash flows	$	54,599	$	81,615

Property, Plant and Equipment, Net

Property, plant and equipment is stated at cost and is set forth below:


	June 30, 2024		December 31, 2023
	(In thousands)
Land	$	10,620	$	10,627
Buildings	409,320		381,081
Machinery and equipment	1,145,636		1,108,504
Property under construction	548,760		571,758
	2,114,336		2,071,970
Less: Accumulated depreciation	872,798		843,450
Property, Plant and Equipment, Net	$	1,241,538	$	1,228,520

Components of Accumulated Other Comprehensive Income (Loss)

The components of Accumulated other comprehensive income (loss) included in Stockholders' Equity are as follows:


	June 30, 2024		December 31, 2023
	(In thousands)
Currency translation adjustments	$	(7,809)	$	8,669
Net unrealized gain on derivative financial instruments	70		558
Unrecognized prior service cost on benefit obligations	(15,578)		(16,917)
Net unrealized gain on available-for-sale investments	273		227
Accumulated other comprehensive loss	$	(23,044)	$	(7,463)

Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)

The amounts reclassified out of Accumulated other comprehensive income (loss) by component and the affected condensed consolidated statements of income line items are as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Accumulated Other Comprehensive Income (Loss) Component Recognized	(In thousands)								Line Item Presented
Realized gain (loss) on derivative financial instruments	$	125	$	98	$	91	$	127	Revenues
	(191)		261		(75)		398		Cost of operations
	(66)		359		16		525		Total before tax
	17		(89)		(4)		(132)		Provision for Income Taxes
	$	(49)	$	270	$	12	$	393	Net Income
Amortization of prior service cost on benefit obligations	$	(832)	$	(830)	$	(1,663)	$	(1,660)	Other – net
	163		153		324		326		Provision for Income Taxes
	$	(669)	$	(677)	$	(1,339)	$	(1,334)	Net Income
Total reclassification for the period	$	(718)	$	(407)	$	(1,327)	$	(941)

Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2024

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Revenues

Revenues by geographic area and customer type were as follows:


	Three Months Ended June 30, 2024				Three Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
United States:
Government	$	511,498	$	—	$	511,498	$	459,334	$	—	$	459,334
Non-Government	22,217		16,063		38,280		28,081		14,918		42,999
	$	533,715	$	16,063	$	549,778	$	487,415	$	14,918	$	502,333
Canada:
Government	$	23	$	—	$	23	$	37	$	—	$	37
Non-Government	151		120,516		120,667		385		100,093		100,478
	$	174	$	120,516	$	120,690	$	422	$	100,093	$	100,515
Other:
Government	$	637	$	—	$	637	$	1,155	$	—	$	1,155
Non-Government	6,320		4,912		11,232		2,975		5,909		8,884
	$	6,957	$	4,912	$	11,869	$	4,130	$	5,909	$	10,039
Segment Revenues	$	540,846	$	141,491	682,337		$	491,967	$	120,920	612,887
Eliminations					(872)						(442)
Revenues					$	681,465					$	612,445


	Six Months Ended June 30, 2024				Six Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
United States:
Government	$	973,730	$	—	$	973,730	$	890,912	$	—	$	890,912
Non-Government	43,827		32,858		76,685		51,773		26,196		77,969
	$	1,017,557	$	32,858	$	1,050,415	$	942,685	$	26,196	$	968,881
Canada:
Government	$	25	$	—	$	25	$	88	$	—	$	88
Non-Government	168		215,528		215,696		593		193,112		193,705
	$	193	$	215,528	$	215,721	$	681	$	193,112	$	193,793
Other:
Government	$	1,663	$	—	$	1,663	$	2,303	$	—	$	2,303
Non-Government	8,554		10,143		18,697		6,184		10,536		16,720
	$	10,217	$	10,143	$	20,360	$	8,487	$	10,536	$	19,023
Segment Revenues	$	1,027,967	$	258,529	1,286,496		$	951,853	$	229,844	1,181,697
Eliminations					(1,065)						(892)
Revenues					$	1,285,431					$	1,180,805

Revenues by timing of transfer of goods or services were as follows:


	Three Months Ended June 30, 2024				Three Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Over time	$	537,906	$	112,125	$	650,031	$	486,730	$	94,764	$	581,494
Point-in-time	2,940		29,366		32,306		5,237		26,156		31,393
Segment Revenues	$	540,846	$	141,491	682,337		$	491,967	$	120,920	612,887
Eliminations					(872)						(442)
Revenues					$	681,465					$	612,445


	Six Months Ended June 30, 2024				Six Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Over time	$	1,022,194	$	208,980	$	1,231,174	$	941,541	$	190,716	$	1,132,257
Point-in-time	5,773		49,549		55,322		10,312		39,128		49,440
Segment Revenues	$	1,027,967	$	258,529	1,286,496		$	951,853	$	229,844	1,181,697
Eliminations					(1,065)						(892)
Revenues					$	1,285,431					$	1,180,805

Revenues by contract type were as follows:


	Three Months Ended June 30, 2024				Three Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Fixed-Price Incentive Fee	$	357,737	$	5,420	$	363,157	$	327,270	$	2,604	$	329,874
Firm-Fixed-Price	81,026		68,507		149,533		77,323		77,570		154,893
Cost-Plus Fee	102,083		—		102,083		86,410		—		86,410
Time-and-Materials	—		67,564		67,564		964		40,746		41,710
Segment Revenues	$	540,846	$	141,491	682,337		$	491,967	$	120,920	612,887
Eliminations					(872)						(442)
Revenues					$	681,465					$	612,445


	Six Months Ended June 30, 2024				Six Months Ended June 30, 2023
	Government Operations		Commercial Operations		Total		Government Operations		Commercial Operations		Total
	(In thousands)
Fixed-Price Incentive Fee	$	654,988	$	10,942	$	665,930	$	619,429	$	6,788	$	626,217
Firm-Fixed-Price	175,946		135,712		311,658		172,041		149,122		321,163
Cost-Plus Fee	195,798		—		195,798		159,225		—		159,225
Time-and-Materials	1,235		111,875		113,110		1,158		73,934		75,092
Segment Revenues	$	1,027,967	$	258,529	1,286,496		$	951,853	$	229,844	1,181,697
Eliminations					(1,065)						(892)
Revenues					$	1,285,431					$	1,180,805

Revenue, Performance Obligation, Impact of Changes in Estimates

The aggregate impact of changes in estimates decreased our revenues and operating income as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands)				(In thousands)
Revenues (1)	$	(2,098)	$	(5,209)	$	(2,791)	$	(13,042)
Operating Income (1)	$	(2,079)	$	(5,209)	$	(3,350)	$	(13,042)

(1)During the three and six months ended June 30, 2024 and 2023, no adjustment to any one contract had a material impact on our consolidated financial statements.

Schedule of Contract Assets and Liabilities


	June 30,		December 31,
	2024		2023
	(In thousands)
Included in Contracts in progress:
Unbilled receivables	$	604,361	$	519,931
Retainages	$	54,594	$	55,181
Advance billings on contracts	$	125,199	$	107,391

Pension Plans and Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

Components of net periodic benefit cost included in net income were as follows:


	Pension Benefits								Other Benefits
	Three Months Ended June 30,				Six Months Ended June 30,				Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023		2024		2023		2024		2023
	(In thousands)
Service cost	$	1,768	$	1,879	$	3,765	$	3,758	$	96	$	84	$	193	$	169
Interest cost	11,133		11,949		22,763		23,859		503		534		1,008		1,069
Expected return on plan assets	(14,654)		(15,109)		(30,153)		(30,219)		(487)		(635)		(974)		(1,269)
Amortization of prior service cost	820		820		1,640		1,640		12		10		23		20

Net periodic benefit income	$	(933)	$	(461)	$	(1,985)	$	(962)	$	124	$	(7)	$	250	$	(11)

Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2024

Fair Value Disclosures [Abstract]

Summary of Investments Measured at Fair Value

The following is a summary of our investments measured at fair value at June 30, 2024:


	Total		Level 1		Level 2		Level 3		Unclassified
	(In thousands)
Equity securities
Mutual funds	$	8,395	$	—	$	8,395	$	—	$	—
Available-for-sale securities
Corporate bonds	1,842		1,842		—		—		—
Total	$	10,237	$	1,842	$	8,395	$	—	$	—

The following is a summary of our investments measured at fair value at December 31, 2023:


	Total		Level 1		Level 2		Level 3		Unclassified
	(In thousands)
Equity securities
Mutual funds	$	7,713	$	—	$	7,713	$	—	$	—
Available-for-sale securities

Corporate bonds	1,783		1,783		—		—		—

Total	$	9,496	$	1,783	$	7,713	$	—	$	—

Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2024

Segment Reporting [Abstract]

Schedule of Operating Results by Segment

An analysis of our operations by reportable segment is as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands)
REVENUES:
Government Operations	$	540,846	$	491,967	$	1,027,967	$	951,853
Commercial Operations	141,491		120,920		258,529		229,844

Eliminations	(872)		(442)		(1,065)		(892)
	$	681,465	$	612,445	$	1,285,431	$	1,180,805


OPERATING INCOME:
Government Operations	$	92,520	$	82,208	$	178,206	$	172,768
Commercial Operations	16,628		11,017		25,219		12,530
	$	109,148	$	93,225	$	203,425	$	185,298
Unallocated Corporate (1)	(10,342)		(6,559)		(11,658)		(10,790)
Total Operating Income	$	98,806	$	86,666	$	191,767	$	174,508
Other Income (Expense)	(7,177)		(8,727)		(11,761)		(16,895)
Income before Provision for Income Taxes	$	91,629	$	77,939	$	180,006	$	157,613

(1)Unallocated corporate includes general corporate overhead not allocated to segments.

Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2024

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:


	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(In thousands, except share and per share amounts)
Basic:
Net Income Attributable to BWX Technologies, Inc.	$	72,972	$	58,597	$	141,440	$	119,689
Weighted-average common shares	91,564,263		91,626,846		91,559,824		91,565,417
Basic earnings per common share	$	0.80	$	0.64	$	1.54	$	1.31
Diluted:
Net Income Attributable to BWX Technologies, Inc.	$	72,972	$	58,597	$	141,440	$	119,689
Weighted-average common shares (basic)	91,564,263		91,626,846		91,559,824		91,565,417
Effect of dilutive securities:
Stock options, restricted stock units and performance shares (1)	237,276		178,333		271,408		237,018
Adjusted weighted-average common shares	91,801,539		91,805,179		91,831,232		91,802,435
Diluted earnings per common share	$	0.79	$	0.64	$	1.54	$	1.30

(1)At June 30, 2024 and 2023, we excluded 140,335 and 160,426 shares, respectively, from our diluted share calculation as their effect would have been antidilutive.

Basis of Presentation and Significant Accounting Policies - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) component segment	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Noncash or Part Noncash Divestitures [Line Items]
Number of reportable segments \| segment			2
Number of components supplied to worldwide (more than) \| component			1,300
Effective tax rate	20.30%	24.70%	21.30%	24.10%
Restricted cash and cash equivalents	$ 6.3		$ 6.3
Total inventories	32.3		32.3		$ 27.4
Net gains on derivative financial instruments			0.1
Recognized (gain) loss on FX forward contracts not designated as hedges	(5.1)	$ 9.6	(14.8)	$ 8.9
Notional amount of foreign currency forward contracts	478.6		478.6
Cash Held for Decommissioning of Facilities
Noncash or Part Noncash Divestitures [Line Items]
Restricted cash and cash equivalents	3.3		3.3
Cash Held to Meet Reinsurance Reserve Requirements
Noncash or Part Noncash Divestitures [Line Items]
Restricted cash and cash equivalents	$ 2.9		$ 2.9

Basis of Presentation and Significant Accounting Policies - Reconciliation of Cash and Cash Equivalents and Restricted Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Cash and cash equivalents	$ 48,341	$ 75,766
Restricted cash and cash equivalents	2,927	2,858
Restricted cash and cash equivalents included in Other Assets	3,331	2,991
Total cash and cash equivalents and restricted cash and cash equivalents as presented on our condensed consolidated statements of cash flows	$ 54,599	$ 81,615	$ 39,579	$ 40,990

Basis of Presentation and Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 2,114,336	$ 2,071,970
Less: Accumulated depreciation	872,798	843,450
Property, Plant and Equipment, Net	1,241,538	1,228,520
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment	10,620	10,627
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment	409,320	381,081
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	1,145,636	1,108,504
Property under construction
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 548,760	$ 571,758

Basis of Presentation and Significant Accounting Policies - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	$ 998,251	$ 946,066	$ 933,301	$ 841,528	$ 788,008	$ 748,355
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	(23,044)	$ (18,519)	(7,463)	$ (7,720)	$ (19,034)	$ (21,930)
Currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	(7,809)		8,669
Net unrealized gain on derivative financial instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	70		558
Unrecognized prior service cost on benefit obligations
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	(15,578)		(16,917)
Net unrealized gain on available-for-sale investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	$ 273		$ 227

Basis of Presentation and Significant Accounting Policies - Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenues	$ 681,465		$ 612,445		$ 1,285,431	$ 1,180,805
Cost of operations	(513,196)		(471,324)		(968,553)	(902,454)
Total before tax	91,629		77,939		180,006	157,613
Provision for Income Taxes	(18,584)		(19,274)		(38,427)	(37,955)
Other – net	2,971		2,962		7,136	5,150
Net Income	73,045	$ 68,534	58,665	$ 60,993	141,579	119,658
Accumulated Other Comprehensive Income (Loss) Component Recognized
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net Income	(718)		(407)		(1,327)	(941)
Accumulated Other Comprehensive Income (Loss) Component Recognized \| Realized gain (loss) on derivative financial instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenues	125		98		91	127
Cost of operations	(191)		261		(75)	398
Total before tax	(66)		359		16	525
Provision for Income Taxes	17		(89)		(4)	(132)
Net Income	(49)		270		12	393
Accumulated Other Comprehensive Income (Loss) Component Recognized \| Amortization of prior service cost on benefit obligations
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for Income Taxes	163		153		324	326
Other – net	(832)		(830)		(1,663)	(1,660)
Net Income	$ (669)		$ (677)		$ (1,339)	$ (1,334)

Revenue Recognition - Additional Details (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) segment	Jun. 30, 2023 USD ($)
Disaggregation of Revenue [Line Items]
Number of reportable segments \| segment			2
Revenue recognized from advance billings on contracts	$ 43.6	$ 29.7	$ 86.4	$ 69.2
Revenue, remaining performance obligation, amount	$ 3,534.2		$ 3,534.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	68.00%		68.00%
Remaining performance obligation, expected timing of satisfaction, period	9 months		9 months

Revenue Recognition - Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenues	$ 681,465	$ 612,445	$ 1,285,431	$ 1,180,805
Fixed-Price Incentive Fee
Disaggregation of Revenue [Line Items]
Revenues	363,157	329,874	665,930	626,217
Firm-Fixed-Price
Disaggregation of Revenue [Line Items]
Revenues	149,533	154,893	311,658	321,163
Cost-Plus Fee
Disaggregation of Revenue [Line Items]
Revenues	102,083	86,410	195,798	159,225
Time-and-Materials
Disaggregation of Revenue [Line Items]
Revenues	67,564	41,710	113,110	75,092
Over time
Disaggregation of Revenue [Line Items]
Revenues	650,031	581,494	1,231,174	1,132,257
Point-in-time
Disaggregation of Revenue [Line Items]
Revenues	32,306	31,393	55,322	49,440
Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	682,337	612,887	1,286,496	1,181,697
Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	540,846	491,967	1,027,967	951,853
Operating Segments \| Government Operations \| Fixed-Price Incentive Fee
Disaggregation of Revenue [Line Items]
Revenues	357,737	327,270	654,988	619,429
Operating Segments \| Government Operations \| Firm-Fixed-Price
Disaggregation of Revenue [Line Items]
Revenues	81,026	77,323	175,946	172,041
Operating Segments \| Government Operations \| Cost-Plus Fee
Disaggregation of Revenue [Line Items]
Revenues	102,083	86,410	195,798	159,225
Operating Segments \| Government Operations \| Time-and-Materials
Disaggregation of Revenue [Line Items]
Revenues	0	964	1,235	1,158
Operating Segments \| Government Operations \| Over time
Disaggregation of Revenue [Line Items]
Revenues	537,906	486,730	1,022,194	941,541
Operating Segments \| Government Operations \| Point-in-time
Disaggregation of Revenue [Line Items]
Revenues	2,940	5,237	5,773	10,312
Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	141,491	120,920	258,529	229,844
Operating Segments \| Commercial Operations \| Fixed-Price Incentive Fee
Disaggregation of Revenue [Line Items]
Revenues	5,420	2,604	10,942	6,788
Operating Segments \| Commercial Operations \| Firm-Fixed-Price
Disaggregation of Revenue [Line Items]
Revenues	68,507	77,570	135,712	149,122
Operating Segments \| Commercial Operations \| Cost-Plus Fee
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Operating Segments \| Commercial Operations \| Time-and-Materials
Disaggregation of Revenue [Line Items]
Revenues	67,564	40,746	111,875	73,934
Operating Segments \| Commercial Operations \| Over time
Disaggregation of Revenue [Line Items]
Revenues	112,125	94,764	208,980	190,716
Operating Segments \| Commercial Operations \| Point-in-time
Disaggregation of Revenue [Line Items]
Revenues	29,366	26,156	49,549	39,128
Eliminations
Disaggregation of Revenue [Line Items]
Revenues	(872)	(442)	(1,065)	(892)
United States:
Disaggregation of Revenue [Line Items]
Revenues	549,778	502,333	1,050,415	968,881
United States: \| Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	533,715	487,415	1,017,557	942,685
United States: \| Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	16,063	14,918	32,858	26,196
Canada:
Disaggregation of Revenue [Line Items]
Revenues	120,690	100,515	215,721	193,793
Canada: \| Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	174	422	193	681
Canada: \| Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	120,516	100,093	215,528	193,112
Other:
Disaggregation of Revenue [Line Items]
Revenues	11,869	10,039	20,360	19,023
Other: \| Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	6,957	4,130	10,217	8,487
Other: \| Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	4,912	5,909	10,143	10,536
Government \| United States:
Disaggregation of Revenue [Line Items]
Revenues	511,498	459,334	973,730	890,912
Government \| United States: \| Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	511,498	459,334	973,730	890,912
Government \| United States: \| Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Government \| Canada:
Disaggregation of Revenue [Line Items]
Revenues	23	37	25	88
Government \| Canada: \| Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	23	37	25	88
Government \| Canada: \| Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Government \| Other:
Disaggregation of Revenue [Line Items]
Revenues	637	1,155	1,663	2,303
Government \| Other: \| Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	637	1,155	1,663	2,303
Government \| Other: \| Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Non-Government \| United States:
Disaggregation of Revenue [Line Items]
Revenues	38,280	42,999	76,685	77,969
Non-Government \| United States: \| Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	22,217	28,081	43,827	51,773
Non-Government \| United States: \| Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	16,063	14,918	32,858	26,196
Non-Government \| Canada:
Disaggregation of Revenue [Line Items]
Revenues	120,667	100,478	215,696	193,705
Non-Government \| Canada: \| Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	151	385	168	593
Non-Government \| Canada: \| Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	120,516	100,093	215,528	193,112
Non-Government \| Other:
Disaggregation of Revenue [Line Items]
Revenues	11,232	8,884	18,697	16,720
Non-Government \| Other: \| Operating Segments \| Government Operations
Disaggregation of Revenue [Line Items]
Revenues	6,320	2,975	8,554	6,184
Non-Government \| Other: \| Operating Segments \| Commercial Operations
Disaggregation of Revenue [Line Items]
Revenues	$ 4,912	$ 5,909	$ 10,143	$ 10,536

Revenue Recognition - Summary of Impact of Changes In Estimates (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenues	$ (2,098)	$ (5,209)	$ (2,791)	$ (13,042)
Operating Income	(2,079)	(5,209)	(3,350)	(13,042)
Net changes in estimate that resulted in a decrease in operating income	$ (2,079)	$ (5,209)	$ (3,350)	$ (13,042)

Revenue Recognition - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Contracts with Customers, Asset and Liability [Line Items]
Advance billings on contracts	$ 125,199	$ 107,391
Unbilled receivables
Contracts with Customers, Asset and Liability [Line Items]
Contract with customer, asset	604,361	519,931
Retainages
Contracts with Customers, Asset and Liability [Line Items]
Contract with customer, asset	$ 54,594	$ 55,181

Pension Plans and Postretirement Benefits - Additional Details (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Retirement Benefits [Abstract]
Service cost	$ 1.9	$ 2.0	$ 4.0	$ 3.9
Net periodic benefit (income) cost, excluding service costs	$ (2.7)	$ (2.4)	$ (5.7)	$ (4.9)

Pension Plans and Postretirement Benefits - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1,900	$ 2,000	$ 4,000	$ 3,900
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,768	1,879	3,765	3,758
Interest cost	11,133	11,949	22,763	23,859
Expected return on plan assets	(14,654)	(15,109)	(30,153)	(30,219)
Amortization of prior service cost	820	820	1,640	1,640
Net periodic benefit income	(933)	(461)	(1,985)	(962)
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	96	84	193	169
Interest cost	503	534	1,008	1,069
Expected return on plan assets	(487)	(635)	(974)	(1,269)
Amortization of prior service cost	12	10	23	20
Net periodic benefit income	$ 124	$ (7)	$ 250	$ (11)

Fair Value Measurements - Summary of Investments and Available-for-Sale Securities Measured at Fair Value (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	$ 10,237	$ 9,496
Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	8,395	7,713
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,842	1,783
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	1,842	1,783
Level 1 \| Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0	0
Level 1 \| Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,842	1,783
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	8,395	7,713
Level 2 \| Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	8,395	7,713
Level 2 \| Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	0	0
Level 3 \| Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0	0
Level 3 \| Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	$ 0	$ 0

Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Fair Values Of Financial Instruments [Line Items]
Note receivable	$ 6.9	$ 7.4
Senior Notes \| Senior Notes Due 2028
Fair Values Of Financial Instruments [Line Items]
Stated interest rate	4.125%
Fair value of senior notes	$ 371.6	367.7
Senior Notes \| Senior Notes Due 2029
Fair Values Of Financial Instruments [Line Items]
Stated interest rate	4.125%
Fair value of senior notes	$ 367.5	367.0
FX Forward Contracts
Fair Values Of Financial Instruments [Line Items]
Fair value of foreign currency forward contracts	$ 0.0	$ (9.9)

Stock-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-Based Payment Arrangement [Abstract]
Stock based compensation expense	$ 6.0	$ 4.9	$ 10.4	$ 8.8
Stock-based compensation, tax benefits	$ 1.1	$ 0.9	$ 1.8	$ 1.5

Segment Reporting - Additional Information (Details)	6 Months Ended
Segment Reporting - Additional Information (Details)	Jun. 30, 2024 segment
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Number of reportable segments	2

Segment Reporting - Schedule of Operating Results by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting, Other Significant Reconciling Item [Line Items]
Revenues	$ 681,465	$ 612,445	$ 1,285,431	$ 1,180,805
OPERATING INCOME:
Total Operating Income	98,806	86,666	191,767	174,508
Other Income (Expense)	(7,177)	(8,727)	(11,761)	(16,895)
Income before Provision for Income Taxes	91,629	77,939	180,006	157,613
Operating Segments
Segment Reporting, Other Significant Reconciling Item [Line Items]
Revenues	682,337	612,887	1,286,496	1,181,697
OPERATING INCOME:
Total Operating Income	109,148	93,225	203,425	185,298
Operating Segments \| Government Operations
Segment Reporting, Other Significant Reconciling Item [Line Items]
Revenues	540,846	491,967	1,027,967	951,853
OPERATING INCOME:
Total Operating Income	92,520	82,208	178,206	172,768
Operating Segments \| Commercial Operations
Segment Reporting, Other Significant Reconciling Item [Line Items]
Revenues	141,491	120,920	258,529	229,844
OPERATING INCOME:
Total Operating Income	16,628	11,017	25,219	12,530
Eliminations
Segment Reporting, Other Significant Reconciling Item [Line Items]
Revenues	(872)	(442)	(1,065)	(892)
Unallocated Corporate
OPERATING INCOME:
Total Operating Income	$ (10,342)	$ (6,559)	$ (11,658)	$ (10,790)

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Basic:
Net Income Attributable to BWX Technologies, Inc.	$ 72,972	$ 58,597	$ 141,440	$ 119,689
Weighted-average common shares (in shares)	91,564,263	91,626,846	91,559,824	91,565,417
Basic earnings per common share (in usd per share)	$ 0.80	$ 0.64	$ 1.54	$ 1.31
Diluted:
Net Income Attributable to BWX Technologies, Inc.	$ 72,972	$ 58,597	$ 141,440	$ 119,689
Weighted-average common shares (in shares)	91,564,263	91,626,846	91,559,824	91,565,417
Effect of dilutive securities:
Stock options, restricted stock units and performance shares (in shares)	237,276	178,333	271,408	237,018
Adjusted weighted-average common shares (in shares)	91,801,539	91,805,179	91,831,232	91,802,435
Diluted earnings per common share (in usd per share)	$ 0.79	$ 0.64	$ 1.54	$ 1.30
Number of shares that would be antidilutive (in shares)			140,335	160,426

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BWXT BWX Technologies Inc