Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Feb. 23, 2013		Feb. 25, 2012
Cash flows from operating activities:
Net income	$ 57,402		$ 44,998
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	29,000		27,550
Amortization of intangible assets	4,950		5,347
Amortization of deferred financing costs	119		119
Share-based compensation	3,697		3,701
Accretion on environmental contingencies	271		316
Accretion on asset retirement obligations	331		316
Deferred income taxes	77		362
Changes in assets and liabilities, net of acquisitions:
Receivables	(11,194)		(11,698)
Inventories	1,108		(1,348)
Rental merchandise in service	8,461		(10,246)
Prepaid expenses	(2,402)		(3,169)
Accounts payable	(3,236)		(1,699)
Accrued liabilities	6,414		1,891
Prepaid and accrued income taxes	(2,480)		4,006
Net cash provided by operating activities	92,518		60,446
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(1,550)		0
Capital expenditures	(50,756)		(34,275)
Other	(72)		(464)
Net cash used in investing activities	(52,378)		(34,739)
Cash flows from financing activities:
Proceeds from loans payable and long-term debt	4,054		38,910
Payments on loans payable and long-term debt	(14)		(54,325)
Proceeds from exercise of Common Stock options	2,140		1,914
Payment of cash dividends	(1,424)		(1,418)
Net cash provided by (used in) financing activities	4,756		(14,919)
Effect of exchange rate changes	(1,740)		(254)
Net increase in cash and cash equivalents	43,156		10,534
Cash and cash equivalents at beginning of period	120,123	[1]	48,812
Cash and cash equivalents at end of period	$ 163,279		$ 59,346

[1] Derived from audited financial statements.