SEGMENT INFORMATION (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total net sales	$ 876,576	$ 784,791	$ 1,682,221	$ 1,497,958
Cost of sales	546,405	493,272	1,051,639	950,029
Research and development expenses	22,975	21,679	45,639	44,439
Selling expenses	41,003	34,067	80,058	70,391
General and administrative expenses	99,757	95,265	198,832	182,929
Other segment items	662	1,951	1,915	1,951
Operating income (expense)	156,307	128,897	285,512	228,858
Depreciation and amortization expense	31,307	27,168	62,128	54,151
Capital expenditures	19,381	11,064	35,154	23,119
Segment assets	5,194,475		5,194,475		$ 4,985,704
Corporate and Other
Segment Reporting Information [Line Items]
Operating income (expense)	(10,948)	(10,876)	(20,977)	(21,653)
Depreciation and amortization expense	704	701	1,445	1,388
Capital expenditures	1,505	1,446	2,011	2,374
Segment assets	510,238		510,238		520,691
Operating Segments
Segment Reporting Information [Line Items]
Operating income (expense)	167,255	139,773	306,489	250,511
Operating Segments | Aerospace & Industrial
Segment Reporting Information [Line Items]
Total net sales	239,314	233,591	466,754	453,138
Cost of sales	152,022	151,183	299,784	298,406
Research and development expenses	6,224	6,379	13,021	12,688
Selling expenses	7,112	6,501	14,314	13,138
General and administrative expenses	34,368	33,055	68,872	64,967
Other segment items	582	1,227	1,835	1,227
Operating income (expense)	39,006	35,246	68,928	62,712
Depreciation and amortization expense	7,960	8,235	15,632	16,429
Capital expenditures	9,434	4,619	15,683	8,525
Segment assets	1,132,757		1,132,757		1,090,739
Operating Segments | Defense Electronics
Segment Reporting Information [Line Items]
Total net sales	254,158	229,210	499,877	441,693
Cost of sales	132,371	120,280	257,084	233,213
Research and development expenses	13,205	12,787	26,207	26,892
Selling expenses	15,904	13,669	30,934	27,898
General and administrative expenses	24,826	23,704	50,351	46,839
Other segment items	19	526	19	526
Operating income (expense)	67,833	58,244	135,282	106,325
Depreciation and amortization expense	7,662	7,710	15,208	15,562
Capital expenditures	2,410	2,092	5,927	4,431
Segment assets	1,546,342		1,546,342		1,446,949
Operating Segments | Naval & Power
Segment Reporting Information [Line Items]
Total net sales	384,585	323,206	717,941	605,419
Cost of sales	262,012	221,809	494,771	418,410
Research and development expenses	3,546	2,513	6,411	4,859
Selling expenses	17,987	13,897	34,810	29,355
General and administrative expenses	40,563	38,506	79,609	71,123
Other segment items	61	198	61	198
Operating income (expense)	60,416	46,283	102,279	81,474
Depreciation and amortization expense	14,981	10,522	29,843	20,772
Capital expenditures	6,032	2,907	11,533	7,789
Segment assets	2,005,138		2,005,138		$ 1,927,325
Corporate and Elminations
Segment Reporting Information [Line Items]
Total net sales	(1,481)	(1,216)	(2,351)	(2,292)
Operating income (expense)	$ (10,948)	$ (10,876)	$ (20,977)	$ (21,653)