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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Mar. 30, 2019
Goodwill And Intangible Assets Disclosure [Abstract]          
Goodwill $ 173,521   $ 173,521   $ 173,406
Finite-lived intangibles, customer relationships 43,100   43,100    
Finite-lived intangibles, trade names 9,000   9,000    
Amortization expense $ 1,300 $ 1,200 $ 2,724 $ 1,683