Derivative Financial Instruments - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	May 10, 2014	May 04, 2013	May 10, 2014	May 04, 2013
Offsetting [Abstract]
Derivative losses recorded in Accumulated other comprehensive loss			$ (11,700,000)
Net derivative income (losses) amortized into Interest Income (expense)	(42,000)	(405,000)	(126,000)	(1,236,000)
Net derivative loss expected to be reclassified over next 12 months	$ (182,000)		$ (182,000)