Segment Information - Depreciation Expense by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2025	Sep. 30, 2024	Sep. 29, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Total	$ 27,580	$ 27,830	$ 82,135	$ 78,709
Corporate
Segment Reporting Information [Line Items]
Total	1,606	3,620	4,217	6,635
Operating Segment
Segment Reporting Information [Line Items]
Total	25,974	24,210	77,918	72,074
Operating Segment | A&D
Segment Reporting Information [Line Items]
Total	7,985	8,868	25,718	27,882
Operating Segment | Commercial
Segment Reporting Information [Line Items]
Total	17,536	14,938	50,881	42,902
Operating Segment | RF&S Components
Segment Reporting Information [Line Items]
Total	$ 453	$ 404	$ 1,319	$ 1,290