CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 01, 2014	Aug. 02, 2013	Aug. 03, 2012
Cash flows from operating activities:
Net income	$ 132,128	$ 117,265	$ 103,081
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	68,389	66,120	64,467
Loss on disposition of property and equipment	5,163	4,057	2,702
Share-based compensation	7,924	17,839	14,420
Excess tax benefit from share-based compensation	(1,248)	(2,332)	(4,502)
Changes in assets and liabilities:
Accounts receivable	(6,762)	(1,333)	(2,330)
Income taxes receivable	(1,725)	0	7,898
Inventories	(18,739)	(3,420)	(1,720)
Prepaid expenses and other current assets	651	(1,243)	(2,405)
Other assets	(1,701)	(1,033)	(4,725)
Accounts payable	(12,160)	9,366	1,592
Taxes withheld and accrued	1,185	(4,628)	7,369
Accrued employee compensation	(1,847)	(4,143)	17,729
Accrued employee benefits	1,573	(2,069)	(2,701)
Deferred revenues	5,727	6,402	5,066
Other current liabilities	(1,960)	6,628	2,651
Other long-term obligations	3,865	5,895	9,973
Deferred income taxes	(2,838)	(4,872)	1,257
Net cash provided by operating activities	177,625	208,499	219,822
Cash flows from investing activities:
Purchase of property and equipment	(91,646)	(74,417)	(80,922)
Proceeds from insurance recoveries of property and equipment	1,082	456	752
Proceeds from sale of property and equipment	1,749	555	623
Net cash used in investing activities	(88,815)	(73,406)	(79,547)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	0	0	92,600
(Taxes withheld) and proceeds from issuance of share-based compensation awards, net	(8,457)	6,454	17,602
Principal payments under long-term debt and other long-term obligations	(1)	(125,153)	(117,733)
Purchases and retirement of common stock	(12,473)	(3,570)	(14,923)
Deferred financing costs	0	0	(263)
Dividends on common stock	(71,484)	(45,400)	(22,372)
Excess tax benefit from share-based compensation	1,248	2,332	4,502
Net cash used in financing activities	(91,167)	(165,337)	(40,587)
Net (decrease) increase in cash and cash equivalents	(2,357)	(30,244)	99,688
Cash and cash equivalents, beginning of year	121,718	151,962	52,274
Cash and cash equivalents, end of year	119,361	121,718	151,962
Cash paid during the year for:
Interest, net of amounts capitalized	15,856	29,959	50,357
Income taxes	66,444	47,550	18,768
Supplemental schedule of non-cash investing and financing activities:
Capital expenditures accrued in accounts payable	5,767	6,852	5,778
Change in fair value of interest rate swaps	3,058	23,620	17,223
Change in deferred tax asset for interest rate swaps	(1,179)	(9,074)	(349)
Dividends declared but not yet paid	$ 23,997	$ 17,847	$ 9,732