SEGMENT INFORMATION (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Segment Reporting [Line Items]
Total net sales	$ 924,008	$ 876,576	$ 1,837,695	$ 1,682,221
Cost of sales	556,604	546,405	1,128,675	1,051,639
Research and development expenses	24,961	22,975	48,596	45,639
Selling expenses	45,127	41,003	88,674	80,058
General and administrative expenses	109,257	99,757	213,889	198,832
Other segment items	517	662	1,427	1,915
Operating income	178,691	156,307	338,200	285,512
Depreciation and amortization expense	28,370	31,307	56,735	62,128
Capital expenditures	20,923	19,381	32,755	35,154
Segment assets	5,455,666		5,455,666		$ 5,221,292
Corporate and Other
Segment Reporting [Line Items]
Operating income	(10,100)	(10,948)	(20,793)	(20,977)
Depreciation and amortization expense	790	704	1,584	1,445
Capital expenditures	2,414	1,505	2,592	2,011
Segment assets	689,327		689,327		526,372
Corporate and Elminations
Segment Reporting [Line Items]
Total net sales	(1,249)	(1,481)	(2,559)	(2,351)
Operating income	(10,100)	(10,948)	(20,793)	(20,977)
Operating Segments
Segment Reporting [Line Items]
Operating income	188,791	167,255	358,993	306,489
Operating Segments | Aerospace & Industrial
Segment Reporting [Line Items]
Total net sales	268,075	239,314	523,024	466,754
Cost of sales	165,082	152,022	334,297	299,784
Research and development expenses	7,147	6,224	13,977	13,021
Selling expenses	7,394	7,112	14,394	14,314
General and administrative expenses	39,049	34,368	71,752	68,872
Other segment items	399	582	1,102	1,835
Operating income	49,004	39,006	87,502	68,928
Depreciation and amortization expense	8,042	7,960	16,041	15,632
Capital expenditures	5,962	9,434	12,918	15,683
Segment assets	1,178,891		1,178,891		1,118,986
Operating Segments | Defense Electronics
Segment Reporting [Line Items]
Total net sales	246,811	254,158	504,275	499,877
Cost of sales	119,686	132,371	246,575	257,084
Research and development expenses	14,411	13,205	28,150	26,207
Selling expenses	18,439	15,904	35,616	30,934
General and administrative expenses	25,477	24,826	53,113	50,351
Other segment items	30	19	126	19
Operating income	68,768	67,833	140,695	135,282
Depreciation and amortization expense	7,686	7,662	15,416	15,208
Capital expenditures	1,370	2,410	3,261	5,927
Segment assets	1,534,426		1,534,426		1,557,858
Operating Segments | Naval & Power
Segment Reporting [Line Items]
Total net sales	410,371	384,585	812,955	717,941
Cost of sales	271,836	262,012	547,803	494,771
Research and development expenses	3,403	3,546	6,469	6,411
Selling expenses	19,294	17,987	38,664	34,810
General and administrative expenses	44,731	40,563	89,024	79,609
Other segment items	88	61	199	61
Operating income	71,019	60,416	130,796	102,279
Depreciation and amortization expense	11,852	14,981	23,694	29,843
Capital expenditures	11,177	$ 6,032	13,984	$ 11,533
Segment assets	$ 2,053,022		$ 2,053,022		$ 2,018,076