Earnings Per Share - Additional Information (Detail) - shares	3 Months Ended		8 Months Ended
	Sep. 09, 2018	Sep. 10, 2017	Sep. 09, 2018	Sep. 10, 2017
Stock Option [Member]
Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded from Computation of Earnings Per Share	76,130	141,870	137,156	146,200
Restricted Performance Shares [Member]
Earnings Per Share [Line Items]
Securities excluded from computation of earnings per share, amount unvested	160,998	193,194	160,998	193,194
Restricted Stock [Member]
Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded from Computation of Earnings Per Share			28,570