CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Aug. 02, 2019	Aug. 03, 2018	Jul. 28, 2017
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 223,401	$ 247,620	$ 201,899
Other comprehensive income (loss) before income tax expense (benefit):
Change in fair value of interest rate swaps	(15,466)	13,103	15,402
Income tax expense (benefit)	(3,868)	4,189	5,891
Other comprehensive income (loss), net of tax	(11,598)	8,914	9,511
Comprehensive income	$ 211,803	$ 256,534	$ 211,410