CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2020	Feb. 01, 2019	Jan. 31, 2020	Feb. 01, 2019
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Net income	$ 61,168	$ 60,755	$ 104,391	$ 107,962
Other comprehensive loss before income tax benefit:
Change in fair value of interest rate swaps	(2,690)	(5,371)	(3,235)	(3,672)
Income tax benefit	(641)	(1,332)	(748)	(926)
Other comprehensive loss, net of tax	(2,049)	(4,039)	(2,487)	(2,746)
Comprehensive income (loss)	$ 59,119	$ 56,716	$ 101,904	$ 105,216