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Goodwill - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 28, 2020
Sep. 28, 2020
Goodwill [Line Items]    
Non-cash goodwill impairment charge $ 69,200 $ 69,200
RF&S Components    
Goodwill [Line Items]    
Non-cash goodwill impairment charge $ 69,200 $ 69,200