CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Jul. 29, 2016	Jul. 31, 2015	Aug. 01, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 189,299	$ 163,903	$ 132,128
Other comprehensive (loss) income before income tax expense:
Change in fair value of interest rate swaps	(16,188)	1,641	3,058
Income tax (benefit) expense	(6,173)	633	1,179
Other comprehensive (loss) income, net of tax	(10,015)	1,008	1,879
Comprehensive income	$ 179,284	$ 164,911	$ 134,007