CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands	12 Months Ended
	Jul. 29, 2016 USD ($)	Jul. 31, 2015 USD ($)	Aug. 01, 2014 USD ($)
Cash flows from operating activities:
Net income	$ 189,299	$ 163,903	$ 132,128
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	78,223	72,955	68,389
Loss on disposition of property and equipment	7,146	6,872	5,163
Share-based compensation	13,202	16,210	7,924
Excess tax benefit from share-based compensation	(2,626)	(4,705)	(1,248)
Changes in assets and liabilities:
Accounts receivable	(1,339)	4,654	(6,762)
Income taxes receivable	(13,558)	2,973	(1,725)
Inventories	750	12,368	(18,739)
Prepaid expenses and other current assets	(406)	(2,170)	651
Other assets	130	(1,659)	(1,701)
Accounts payable	(624)	34,640	(12,160)
Taxes withheld and accrued	(1,500)	2,800	1,185
Accrued employee compensation	(6,246)	6,485	(1,847)
Accrued employee benefits	211	1,667	1,573
Deferred revenues	5,048	9,155	5,727
Other current liabilities	(3,705)	4,034	(1,960)
Other long-term obligations	(6,269)	11,090	3,865
Deferred income taxes	13,642	(7,217)	(2,838)
Net cash provided by operating activities	271,378	334,055	177,625
Cash flows from investing activities:
Purchase of property and equipment	(114,022)	(90,855)	(91,646)
Proceeds from insurance recoveries of property and equipment	662	365	1,082
Proceeds from sale of property and equipment	845	1,876	1,749
Net cash used in investing activities	(112,515)	(88,614)	(88,815)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	0	406,250	0
(Taxes withheld) and proceeds from issuance of share-based compensation awards, net	(5,779)	(4,816)	(8,457)
Principal payments under long-term debt and other long-term obligations	0	(406,250)	(1)
Purchases and retirement of common stock	(14,653)	0	(12,473)
Deferred financing costs	0	(3,537)	0
Dividends on common stock	(255,546)	(95,699)	(71,484)
Excess tax benefit from share-based compensation	2,626	4,705	1,248
Net cash used in financing activities	(273,352)	(99,347)	(91,167)
Net (decrease) increase in cash and cash equivalents	(114,489)	146,094	(2,357)
Cash and cash equivalents, beginning of year	265,455	119,361	121,718
Cash and cash equivalents, end of year	150,966	265,455	119,361
Cash paid during the year for:
Interest, net of amounts capitalized	12,752	15,356	15,856
Income taxes	84,868	69,948	66,444
Supplemental schedule of non-cash investing and financing activities:
Capital expenditures accrued in accounts payable	6,379	5,800	5,767
Change in fair value of interest rate swaps	(16,188)	1,641	3,058
Change in deferred tax asset for interest rate swaps	6,173	(633)	(1,179)
Dividends declared but not yet paid	$ 30,625	$ 99,678	$ 23,997