CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Aug. 02, 2019	Aug. 03, 2018	Jul. 28, 2017
CONSOLIDATED STATEMENTS OF INCOME [Abstract]
Total revenue	$ 3,071,951	$ 3,030,445	$ 2,926,289
Cost of goods sold (exclusive of depreciation and rent)	931,077	935,397	891,293
Labor and other related expenses	1,078,751	1,055,811	1,017,124
Other store operating expenses	626,453	601,889	563,300
Store operating income	435,670	437,348	454,572
General and administrative expenses	152,826	143,756	141,414
Operating income	282,844	293,592	313,158
Interest expense	16,488	15,169	14,271
Income before income taxes	266,356	278,423	298,887
Provision for income taxes	42,955	30,803	96,988
Net income	$ 223,401	$ 247,620	$ 201,899
Net income per share - basic (in dollars per share)	$ 9.29	$ 10.31	$ 8.40
Net income per share - diluted (in dollars per share)	$ 9.27	$ 10.29	$ 8.37
Basic weighted average shares outstanding (in shares)	24,037,272	24,011,161	24,031,810
Diluted weighted average shares outstanding (in shares)	24,096,396	24,075,614	24,118,288