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Net Income Per Share - Share-Based Awards, not Included in Calculation of Diluted Net Income Per Share (Detail) - shares
shares in Millions
12 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Jun. 29, 2013
Stock Compensation Plan [Member]      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Share-based awards 0.3 0.2 1.7