CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2014		Nov. 01, 2013
Cash flows from operating activities:
Net income	$ 34,024		$ 27,160
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	17,511		16,477
Loss on disposition of property and equipment	2,170		877
Share-based compensation	2,735		2,820
Excess tax benefit from share-based compensation	(1,963)		(568)
Changes in assets and liabilities:
Inventories	(12,315)		(26,609)
Other current assets	7,362		(4,053)
Accounts payable	(6,076)		(16,943)
Other current liabilities	(6,724)		(5,735)
Other long-term assets and liabilities	5		(2,657)
Net cash provided by (used in) operating activities	36,729		(9,231)
Cash flows from investing activities:
Purchase of property and equipment	(18,437)		(17,686)
Proceeds from insurance recoveries of property and equipment	18		564
Proceeds from sale of property and equipment	1,007		144
Net cash used in investing activities	(17,412)		(16,978)
Cash flows from financing activities:
(Taxes withheld) and proceeds from issuance of share-based compensation awards, net	(4,719)		(8,214)
Principal payments under long-term debt and other long-term obligations	(6,250)		(1)
Purchases and retirement of common stock	0		(12,473)
Dividends on common stock	(23,821)		(17,847)
Excess tax benefit from share-based compensation	1,963		568
Net cash used in financing activities	(32,827)		(37,967)
Net decrease in cash and cash equivalents	(13,510)		(64,176)
Cash and cash equivalents, beginning of period	119,361	[1]	121,718
Cash and cash equivalents, end of period	105,851		57,542
Cash paid during the period for:
Interest, net of amounts capitalized	3,914		4,135
Income taxes	304		7,091
Supplemental schedule of non-cash investing and financing activities:
Capital expenditures accrued in accounts payable	2,769		2,577
Change in fair value of interest rate swaps	(775)		(128)
Change in deferred tax asset for interest rate swaps	299		50
Dividends declared but not yet paid	$ 24,183		$ 17,958

[1] This Condensed Consolidated Balance Sheet has been derived from the audited Consolidated Balance Sheet as of August 1, 2014, as filed with the Securities and Exchange Commission in the Company's Annual Report on Form 10-K for the fiscal year ended August 1, 2014.