CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 29, 2016	May. 01, 2015	Apr. 29, 2016	May. 01, 2015
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) [Abstract]
Total revenue	$ 700,136	$ 683,705	$ 2,166,767	$ 2,123,099
Cost of goods sold (exclusive of depreciation and rent)	212,382	216,142	700,287	700,592
Labor and other related expenses	249,324	246,805	745,581	740,806
Other store operating expenses	135,011	126,711	411,821	390,609
Store operating income	103,419	94,047	309,078	291,092
General and administrative expenses	36,391	38,570	106,217	108,952
Operating income	67,028	55,477	202,861	182,140
Interest expense	3,436	4,030	10,549	13,138
Income before income taxes	63,592	51,447	192,312	169,002
Provision for income taxes	14,423	16,130	54,036	52,498
Net income	$ 49,169	$ 35,317	$ 138,276	$ 116,504
Net income per share:
Basic (in dollars per share)	$ 2.05	$ 1.48	$ 5.77	$ 4.87
Diluted (in dollars per share)	$ 2.04	$ 1.47	$ 5.75	$ 4.85
Weighted average shares:
Basic (in shares)	23,941,188	23,937,844	23,945,184	23,904,945
Diluted (in shares)	24,073,778	24,066,061	24,064,624	24,033,296
Dividends declared per share (in dollars per share)	$ 1.10	$ 1.00	$ 3.30	$ 3.00
Dividends paid per share (in dollars per share)	$ 1.10	$ 1.00	$ 6.30	$ 3.00