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Schedule of Stock Options Weighted Average Assumptions (Detail) - Stock Options
12 Months Ended
Jun. 28, 2015
Jun. 29, 2014
Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected volatility 34.45% 35.28% 36.60%
Risk-free interest rate 1.46% 1.39% 0.81%
Expected term (years) 4 years 9 months 18 days 4 years 9 months 11 days 4 years 9 months 15 days
Dividend Yield 0.89%