CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2014	Feb. 01, 2013	Jan. 31, 2014	Feb. 01, 2013
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) [Abstract]
Total revenue	$ 698,491	$ 702,671	$ 1,347,632	$ 1,330,122
Cost of goods sold	243,015	244,187	448,944	442,045
Gross profit	455,476	458,484	898,688	888,077
Labor and other related expenses	238,742	244,871	475,489	477,610
Other store operating expenses	128,100	122,586	253,441	238,451
Store operating income	88,634	91,027	169,758	172,016
General and administrative expenses	29,928	33,830	66,815	69,511
Operating income	58,706	57,197	102,943	102,505
Interest expense	4,471	10,293	8,878	21,005
Income before income taxes	54,235	46,904	94,065	81,500
Provision for income taxes	17,180	11,736	29,850	23,140
Net income	$ 37,055	$ 35,168	$ 64,215	$ 58,360
Net income per share:
Basic (in dollars per share)	$ 1.56	$ 1.48	$ 2.70	$ 2.47
Diluted (in dollars per share)	$ 1.55	$ 1.47	$ 2.68	$ 2.45
Weighted average shares:
Basic (in shares)	23,812,777	23,711,235	23,815,107	23,644,405
Diluted (in shares)	23,970,611	23,945,236	23,947,850	23,866,431
Dividends declared per share (in dollars per share)	$ 0.75	$ 0.50	$ 1.50	$ 1.00