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Supplemental Disclosures of Cash Flow Information - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 8 Months Ended
Sep. 06, 2015
Mar. 22, 2015
Sep. 06, 2015
Supplemental Cash Flow Elements [Abstract]      
Accruals for capital expenditures related to non-cash investing activities     $ 1.0
Extended lease agreement expiration date   2028-08  
Increase in capital lease assets and liabilities related to non-cash financing activities $ 0.6 $ 3.4