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Derivative Financial Instruments - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 13, 2016
Feb. 14, 2015
Feb. 13, 2016
Feb. 14, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]        
Derivative losses recorded in Accumulated other comprehensive loss     $ 10,700  
Net derivative losses amortized into Interest expense $ 447 $ 42 696 $ 84
Net derivative loss expected to be reclassified over next 12 months $ 1,900   $ 1,900