SEGMENT INFORMATION (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Segment Reporting [Line Items]
Total Net Sales	$ 952,590	$ 869,170	$ 2,790,285	$ 2,551,391
Cost of sales	576,086	532,201	1,704,761	1,583,840
Research and development expenses	23,781	23,180	72,377	68,819
Selling expenses	47,830	40,021	136,504	120,079
General and administrative expenses	105,616	96,552	319,505	295,384
Other segment items	1,364	759	2,791	2,674
Operating income	187,922	166,251	526,122	451,763
Depreciation and amortization expense	28,415	31,191	85,150	93,319
Capital expenditures	23,047	16,900	55,802	52,054
Segment Assets	5,372,180		5,372,180		$ 5,221,292
Corporate and Other
Segment Reporting [Line Items]
Operating income	(11,703)	(10,866)	(32,496)	(31,843)
Depreciation and amortization expense	815	733	2,399	2,178
Capital expenditures	535	976	3,127	2,987
Segment Assets	504,019		504,019		526,372
Operating Segments
Segment Reporting [Line Items]
Operating income	199,625	177,117	558,618	483,606
Operating Segments | Aerospace & Industrial
Segment Reporting [Line Items]
Total Net Sales	282,633	248,016	805,657	714,770
Cost of sales	176,547	157,340	510,844	457,124
Research and development expenses	7,643	5,164	21,620	18,185
Selling expenses	7,259	6,959	21,653	21,273
General and administrative expenses	36,530	32,543	108,282	101,415
Other segment items	1,257	571	2,359	2,406
Operating income	53,397	45,439	140,899	114,367
Depreciation and amortization expense	7,958	8,016	23,999	23,648
Capital expenditures	6,184	6,482	19,102	22,165
Segment Assets	1,192,129		1,192,129		1,118,986
Operating Segments | Defense Electronics
Segment Reporting [Line Items]
Total Net Sales	259,613	253,637	763,888	753,514
Cost of sales	131,611	124,922	378,186	382,006
Research and development expenses	11,395	13,182	39,545	39,389
Selling expenses	20,991	16,065	56,607	46,999
General and administrative expenses	25,683	25,511	78,796	75,862
Other segment items	0	0	126	19
Operating income	69,933	73,957	210,628	209,239
Depreciation and amortization expense	7,598	7,702	23,014	22,910
Capital expenditures	2,818	2,650	6,079	8,577
Segment Assets	1,588,993		1,588,993		1,557,858
Operating Segments | Naval & Power
Segment Reporting [Line Items]
Total Net Sales	412,056	368,177	1,225,011	1,086,118
Cost of sales	267,928	249,939	815,731	744,710
Research and development expenses	4,743	4,834	11,212	11,245
Selling expenses	19,580	16,997	58,244	51,807
General and administrative expenses	43,403	38,498	132,427	118,107
Other segment items	107	188	306	249
Operating income	76,295	57,721	207,091	160,000
Depreciation and amortization expense	12,044	14,740	35,738	44,583
Capital expenditures	13,510	6,792	27,494	18,325
Segment Assets	2,087,039		2,087,039		$ 2,018,076
Corporate and Eliminations
Segment Reporting [Line Items]
Total Net Sales	(1,712)	(660)	(4,271)	(3,011)
Operating income	$ (11,703)	$ (10,866)	$ (32,496)	$ (31,843)