Goodwill and Definite-lived Intangibles - Goodwill by Reportable Segment (Detail) - USD ($) $ in Thousands	Sep. 29, 2025	Dec. 30, 2024
Goodwill [Line Items]
Goodwill	$ 816,035	$ 816,035
Accumulated impairment losses	(145,900)	(145,900)
Carrying amount	670,135	670,135
A&D
Goodwill [Line Items]
Goodwill	256,199	256,199
Accumulated impairment losses	0	0
Carrying amount	256,199	256,199
Commercial
Goodwill [Line Items]
Goodwill	382,636	382,636
Accumulated impairment losses	0	0
Carrying amount	382,636	382,636
RF&S Components
Goodwill [Line Items]
Goodwill	177,200	177,200
Accumulated impairment losses	(145,900)	(145,900)
Carrying amount	$ 31,300	$ 31,300