CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Oct. 28, 2016	Oct. 30, 2015
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) [Abstract]
Total revenue	$ 709,971	$ 702,629
Cost of goods sold (exclusive of depreciation and rent)	213,109	222,973
Labor and other related expenses	249,104	244,322
Other store operating expenses	137,926	135,707
Store operating income	109,832	99,627
General and administrative expenses	34,088	34,319
Operating income	75,744	65,308
Interest expense	3,676	3,544
Income before income taxes	72,068	61,764
Provision for income taxes	23,713	20,899
Net income	$ 48,355	$ 40,865
Net income per share:
Basic (in dollars per share)	$ 2.01	$ 1.71
Diluted (in dollars per share)	$ 2.01	$ 1.70
Weighted average shares:
Basic (in shares)	24,001,708	23,956,554
Diluted (in shares)	24,099,013	24,073,052
Dividends declared per share (in dollars per share)	$ 1.15	$ 1.10
Dividends paid per share (in dollars per share)	$ 1.15	$ 4.10