CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 03, 2019	Apr. 27, 2018	May 03, 2019	Apr. 27, 2018
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) [Abstract]
Total revenue	$ 739,603	$ 721,413	$ 2,284,853	$ 2,219,552
Cost of goods sold (exclusive of depreciation and rent)	217,073	217,719	704,545	689,420
Labor and other related expenses	267,641	257,360	802,574	769,154
Other store operating expenses	152,679	147,616	461,976	441,843
Store operating income	102,210	98,718	315,758	319,135
General and administrative expenses	37,125	35,409	112,284	108,314
Operating income	65,085	63,309	203,474	210,821
Interest expense	4,111	3,594	12,637	10,892
Income before income taxes	60,974	59,715	190,837	199,929
Provision for income taxes	10,560	10,968	32,461	13,663
Net income	$ 50,414	$ 48,747	$ 158,376	$ 186,266
Net income per share:
Basic (in dollars per share)	$ 2.10	$ 2.03	$ 6.59	$ 7.76
Diluted (in dollars per share)	$ 2.09	$ 2.03	$ 6.57	$ 7.74
Weighted average shares:
Basic (in shares)	24,041,673	24,003,611	24,034,878	24,013,435
Diluted (in shares)	24,104,432	24,065,783	24,090,626	24,075,834
Dividends declared per share (in dollars per share)	$ 1.25	$ 1.20	$ 3.75	$ 3.60
Dividends paid per share (in dollars per share)	$ 1.25	$ 1.20	$ 3.75	$ 3.60