CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Aug. 03, 2018	Jul. 28, 2017	Jul. 29, 2016
CONSOLIDATED STATEMENTS OF INCOME [Abstract]
Total revenue	$ 3,030,445	$ 2,926,289	$ 2,912,351
Cost of goods sold (exclusive of depreciation and rent)	935,397	891,293	928,176
Labor and other related expenses	1,055,811	1,017,124	1,006,188
Other store operating expenses	601,889	563,300	554,534
Store operating income	437,348	454,572	423,453
General and administrative expenses	143,756	141,414	142,982
Operating income	293,592	313,158	280,471
Interest expense	15,169	14,271	14,052
Income before income taxes	278,423	298,887	266,419
Provision for income taxes	30,803	96,988	77,120
Net income	$ 247,620	$ 201,899	$ 189,299
Net income per share - basic (in dollars per share)	$ 10.31	$ 8.40	$ 7.91
Net income per share - diluted (in dollars per share)	$ 10.29	$ 8.37	$ 7.86
Basic weighted average shares outstanding (in shares)	24,011,161	24,031,810	23,945,041
Diluted weighted average shares outstanding (in shares)	24,075,614	24,118,288	24,074,273