CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 01, 2013	Nov. 02, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Net income	$ 27,160	$ 23,192
Other comprehensive income before income tax expense:
Change in fair value of interest rate swaps	(128)	5,501
Income tax (benefit) expense	(50)	2,087
Other comprehensive (loss) income, net of tax	(78)	3,414
Comprehensive income	$ 27,082	$ 26,606