CONDENSED CONSOLIDATED STATEMENTS OF 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 INCOME (Unaudited) [Abstract]
Total revenue	$ 846,143	$ 811,707	$ 1,595,183	$ 1,545,250
Cost of goods sold (exclusive of depreciation and rent)	272,207	265,179	492,021	487,472
Labor and other related expenses	284,777	276,774	548,091	534,933
Other store operating expenses	171,638	156,819	334,546	309,297
General and administrative expenses	38,386	36,224	78,017	75,159
Operating income	79,135	76,711	142,508	138,389
Interest expense	3,505	4,177	7,085	8,526
Income before income taxes	75,630	72,534	135,423	129,863
Provision for income taxes	10,878	11,779	21,468	21,901
Loss from unconsolidated subsidiary	(3,584)	0	(9,564)	0
Net income	$ 61,168	$ 60,755	$ 104,391	$ 107,962
Net income per share:
Basic (in dollars per share)	$ 2.55	$ 2.53	$ 4.35	$ 4.49
Diluted (in dollars per share)	$ 2.55	$ 2.52	$ 4.34	$ 4.48
Weighted average shares:
Basic (in shares)	23,950,811	24,040,374	23,994,583	24,031,480
Diluted (in shares)	24,005,817	24,093,725	24,054,870	24,083,723