CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 29, 2016	May. 01, 2015	Apr. 29, 2016	May. 01, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Net income	$ 49,169	$ 35,317	$ 138,276	$ 116,504
Other comprehensive (loss) income before income tax (benefit) expense:
Change in fair value of interest rate swaps	(1,578)	8,035	(11,508)	1,148
Income tax (benefit) expense	(603)	3,098	(4,383)	442
Other comprehensive (loss) income, net of tax	(975)	4,937	(7,125)	706
Comprehensive income	$ 48,194	$ 40,254	$ 131,151	$ 117,210