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Goodwill by Reportable Segment (Detail) - USD ($)
$ in Thousands
Mar. 29, 2021
Dec. 28, 2020
Goodwill [Line Items]    
Goodwill $ 877,924  
Accumulated impairment losses (240,600)  
Goodwill, net 637,324 $ 637,324
Printed Circuit Board    
Goodwill [Line Items]    
Goodwill 700,724  
Accumulated impairment losses (171,400)  
Goodwill, net 529,324  
RF&S Components    
Goodwill [Line Items]    
Goodwill 177,200  
Accumulated impairment losses (69,200)  
Goodwill, net $ 108,000