Goodwill by Reportable Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2020	Jan. 03, 2022	Dec. 30, 2019
Goodwill [Line Items]
Goodwill	$ 877,924	$ 877,924	$ 877,924
Accumulated impairment losses	(240,600)	(240,600)	(171,400)
Goodwill, net	637,324	637,324	706,524
Impairment loss during the year	(69,200)
Printed Circuit Board
Goodwill [Line Items]
Goodwill	700,724	700,724	700,724
Accumulated impairment losses	(171,400)	(171,400)	(171,400)
Goodwill, net	529,324	529,324	529,324
RF&S Components
Goodwill [Line Items]
Goodwill	177,200	177,200	177,200
Accumulated impairment losses	(69,200)	(69,200)
Goodwill, net	108,000	$ 108,000	$ 177,200
Impairment loss during the year	$ (69,200)