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Business Combinations - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Apr. 15, 2019
Jun. 26, 2020
Mar. 27, 2020
Jun. 28, 2019
Jun. 26, 2020
Jun. 28, 2019
Dec. 27, 2019
Business Acquisition [Line Items]              
Amortization of purchased intangible assets   $ 4.9   $ 5.1 $ 9.9 $ 9.9  
Dynamic Manufacturing Solutions [Member]              
Business Acquisition [Line Items]              
Date of acquisition Apr. 15, 2019            
Business acquisition potential cash earn-out payments $ 12.5            
Business acquisition fair value of potential earn-out payments 1.5       1.5    
Total purchase consideration 31.4            
Cash payment for acquisition $ 29.9            
Earn-out payments, fair market value     $ 12.3   12.5   $ 9.5
Increase in liability recorded as other expense   0.2     3.0    
Amortization of purchased intangible assets   $ 0.3   $ 0.2 $ 0.6 $ 0.2