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Derivative Financial Instruments - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Nov. 21, 2015
Nov. 22, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Derivative losses recorded in Accumulated other comprehensive loss $ 11,200  
Net derivative losses amortized into Interest expense 249 $ 42
Net derivative loss expected to be reclassified over next 12 months $ 1,900