CONDENSED CONSOLIDATED STATEMENT OF INCOME (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Apr. 29, 2011	Apr. 30, 2010	Apr. 29, 2011	Apr. 30, 2010
CONDENSED CONSOLIDATED STATEMENT OF INCOME (Unaudited) [Abstract]
Total revenue	$ 582,525	$ 578,233	$ 1,821,493	$ 1,792,032
Cost of goods sold	179,774	173,041	578,917	562,410
Gross profit	402,751	405,192	1,242,576	1,229,622
Labor and other related expenses	227,437	226,047	675,223	679,401
Other store operating expenses	112,112	109,302	336,235	320,269
Store operating income	63,202	69,843	231,118	229,952
General and administrative expenses	33,955	38,012	103,899	108,488
Impairment and store dispositions, net	(1,958)	0	(1,874)	2,263
Operating income	31,205	31,831	129,093	119,201
Interest expense	11,619	12,186	35,163	37,249
Income before income taxes	19,586	19,645	93,930	81,952
Provision for income taxes	4,432	5,217	26,265	24,107
Net income	$ 15,154	$ 14,428	$ 67,665	$ 57,845
Net income per share:
Basic (in dollars per share)	$ 0.66	$ 0.62	$ 2.94	$ 2.52
Diluted (in dollars per share)	$ 0.64	$ 0.61	$ 2.85	$ 2.47
Weighted average shares:
Basic (in shares)	23,048,279	23,198,505	23,039,388	22,934,732
Diluted (in shares)	23,602,333	23,802,998	23,705,155	23,445,554
Dividends declared per share (in dollars per share)	$ 0.22	$ 0.20	$ 0.66	$ 0.60