CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 01, 2014	Aug. 02, 2013	Aug. 03, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 132,128	$ 117,265	$ 103,081
Other comprehensive income before income tax expense:
Change in fair value of interest rate swaps	3,058	23,620	17,223
Income tax expense	1,179	9,074	349
Other comprehensive income, net of tax	1,879	14,546	16,874
Comprehensive income	$ 134,007	$ 131,811	$ 119,955