CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Oct. 30, 2015	Oct. 31, 2014
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) [Abstract]
Total revenue	$ 702,629	$ 683,428
Cost of goods sold (exclusive of depreciation and rent)	222,973	222,295
Labor and other related expenses	244,322	242,327
Other store operating expenses	135,707	130,172
Store operating income	99,627	88,634
General and administrative expenses	34,319	33,192
Operating income	65,308	55,442
Interest expense	3,544	4,424
Income before income taxes	61,764	51,018
Provision for income taxes	20,899	16,994
Net income	$ 40,865	$ 34,024
Net income per share:
Basic (in dollars per share)	$ 1.71	$ 1.43
Diluted (in dollars per share)	$ 1.70	$ 1.42
Weighted average shares:
Basic (in shares)	23,956,554	23,862,195
Diluted (in shares)	24,073,052	24,001,438
Dividends declared per share (in dollars per share)	$ 1.10	$ 1.00
Dividends paid per share (in dollars per share)	$ 4.10	$ 1.00