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Earnings Per Share - Additional Information (Detail) - shares
3 Months Ended 8 Months Ended
Sep. 06, 2015
Sep. 07, 2014
Sep. 06, 2015
Sep. 07, 2014
Earnings Per Share [Abstract]        
Anti-dilutive stock options to purchase common stock not included in calculating earnings per share 188,080 335,420 188,080 335,420