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 Loss	Treasury Stock	Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2023			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
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)	211,220
Currency translation adjustments	(9,108)
Ending balance (in shares) at Sep. 30, 2024			128,307,682
Ending balance at Sep. 30, 2024	1,058,671	1,058,749	$ 1,283	222,062	2,238,437	(14,927)	(1,388,106)	(78)
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	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
Ending balance at Jun. 30, 2024	998,251	998,488	$ 1,283	216,973	2,191,079	(23,044)	(1,387,803)	(237)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	69,641	69,483			69,483			158
Dividends declared	(22,125)	(22,125)			(22,125)
Currency translation adjustments	7,370	7,370				7,370
Derivative financial instruments	81	81				81
Defined benefit obligations	670	670				670
Available-for-sale investments	(4)	(4)				(4)
Exercises of stock options (in shares)			17,949
Exercises of stock options	516	516		516
Shares placed in treasury	(303)	(303)					(303)
Stock-based compensation charges (in shares)			7,608
Stock-based compensation charges	4,573	4,573		4,573
Distributions to noncontrolling interests	1							1
Ending balance (in shares) at Sep. 30, 2024			128,307,682
Ending balance at Sep. 30, 2024	$ 1,058,671	1,058,749	$ 1,283	222,062	2,238,437	(14,927)	(1,388,106)	(78)
Beginning balance (in shares) at Dec. 31, 2024	128,320,295		128,320,295
Beginning balance at Dec. 31, 2024	$ 1,080,404	1,080,680	$ 1,283	228,889	2,287,151	(48,211)	(1,388,432)	(276)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	75,526	75,462			75,462			64
Dividends declared	(23,082)	(23,082)			(23,082)
Currency translation adjustments	4,135	4,135				4,135
Derivative financial instruments	484	484				484
Defined benefit obligations	639	639				639
Available-for-sale investments	(361)	(361)				(361)
Exercises of stock options (in shares)			13,601
Exercises of stock options	388	388		388
Shares placed in treasury	(43,100)	(43,100)					(43,100)
Stock-based compensation charges (in shares)			310,192
Stock-based compensation charges	5,047	5,047	$ 3	5,044
Distributions to noncontrolling interests	(45)							(45)
Ending balance (in shares) at Mar. 31, 2025			128,644,088
Ending balance at Mar. 31, 2025	$ 1,100,035	1,100,292	$ 1,286	234,321	2,339,531	(43,314)	(1,431,532)	(257)
Beginning balance (in shares) at Dec. 31, 2024	128,320,295		128,320,295
Beginning balance at Dec. 31, 2024	$ 1,080,404	1,080,680	$ 1,283	228,889	2,287,151	(48,211)	(1,388,432)	(276)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	236,179
Currency translation adjustments	$ 13,768
Ending balance (in shares) at Sep. 30, 2025	128,708,443		128,708,443
Ending balance at Sep. 30, 2025	$ 1,241,485	1,241,744	$ 1,287	251,917	2,453,696	(32,523)	(1,432,633)	(259)
Beginning balance (in shares) at Mar. 31, 2025			128,644,088
Beginning balance at Mar. 31, 2025	1,100,035	1,100,292	$ 1,286	234,321	2,339,531	(43,314)	(1,431,532)	(257)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	78,462	78,388			78,388			74
Dividends declared	(23,182)	(23,182)			(23,182)
Currency translation adjustments	19,703	19,703				19,703
Derivative financial instruments	(431)	(431)				(431)
Defined benefit obligations	657	657				657
Available-for-sale investments	0
Exercises of stock options (in shares)			746
Exercises of stock options	59	59		59
Shares placed in treasury	(10)	(10)					(10)
Stock-based compensation charges (in shares)			35,346
Stock-based compensation charges	8,688	8,688		8,688
Distributions to noncontrolling interests	(75)							(75)
Ending balance (in shares) at Jun. 30, 2025			128,680,180
Ending balance at Jun. 30, 2025	1,183,906	1,184,164	$ 1,286	243,068	2,394,737	(23,385)	(1,431,542)	(258)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	82,191	82,106			82,106			85
Dividends declared	(23,147)	(23,147)			(23,147)
Currency translation adjustments	(10,070)	(10,070)				(10,070)
Derivative financial instruments	276	276				276
Defined benefit obligations	656	656				656
Available-for-sale investments	0	0
Exercises of stock options (in shares)			20,222
Exercises of stock options	1,865	1,865		1,865
Shares placed in treasury	(1,091)	(1,091)					(1,091)
Stock-based compensation charges (in shares)			8,041
Stock-based compensation charges	6,985	6,985	$ 1	6,984
Distributions to noncontrolling interests	$ (86)							(86)
Ending balance (in shares) at Sep. 30, 2025	128,708,443		128,708,443
Ending balance at Sep. 30, 2025	$ 1,241,485	$ 1,241,744	$ 1,287	$ 251,917	$ 2,453,696	$ (32,523)	$ (1,432,633)	$ (259)

BWX Technologies, Inc. 10-Q