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Earnings Per Share - Additional Information (Detail) - shares
3 Months Ended 8 Months Ended
Sep. 10, 2017
Sep. 11, 2016
Sep. 10, 2017
Sep. 11, 2016
Stock Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive Securities Excluded from Computation of Earnings Per Share 141,870 95,475 146,200 306,855
Restricted Performance Shares [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive Securities Excluded from Computation of Earnings Per Share 193,194 264,757 193,194 264,757