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Share-Based Compensation - Restricted Stock Units - Additional Information (Detail) - Restricted Stock Units [Member] - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Jun. 27, 2020
Jun. 26, 2020
Jun. 29, 2019
Jun. 30, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
RSUs granted under the 2010 Incentive Plan vest ratably over three to four years from the vesting commencement date.      
Shares withheld to meet statutory minimum tax withholding requirements 200,587      
Shares valued withheld to meet statutory minimum tax withholding requirements $ 8.4      
Closing price of common stock used to calculate Aggregate intrinsic value of stock option outstanding   $ 56.26    
Unrecognized share-based compensation cost for RSUs granted $ 41.5      
Unrecognized share-based compensation, period for recognition 2 years 14 days      
Aggregate market value of DSUs $ 36.0   $ 35.7 $ 21.4