CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Nov. 02, 2018	Oct. 27, 2017
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) [Abstract]
Total revenue	$ 733,543	$ 710,368
Cost of goods sold (exclusive of depreciation and rent)	222,293	210,749
Labor and other related expenses	258,159	248,068
Other store operating expenses	152,478	143,820
Store operating income	100,613	107,731
General and administrative expenses	38,935	36,893
Operating income	61,678	70,838
Interest expense	4,349	3,618
Income before income taxes	57,329	67,220
Provision for income taxes	10,122	20,840
Net income	$ 47,207	$ 46,380
Net income per share:
Basic (in dollars per share)	$ 1.97	$ 1.93
Diluted (in dollars per share)	$ 1.96	$ 1.92
Weighted average shares:
Basic (in shares)	24,022,586	24,035,202
Diluted (in shares)	24,073,722	24,105,187
Dividends declared per share (in dollars per share)	$ 1.25	$ 1.20
Dividends paid per share (in dollars per share)	$ 1.25	$ 1.20