Consolidated Statements of Cash Flows (USD $) In Thousands	12 Months Ended
	Aug. 27, 2011	Aug. 28, 2010	Aug. 29, 2009
Cash flows from operating activities:
Net income	$ 76,486	$ 76,408	$ 75,852
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	54,188	52,107	48,855
Amortization of intangible assets	10,545	9,370	8,934
Amortization of deferred financing costs	261	267	267
Share-based compensation	6,732	3,662	1,025
Accretion on environmental contingencies	681	794	668
Accretion on asset retirement obligations	589	568	517
Deferred income taxes	13,318	705	1,328
Changes in assets and liabilities, net of acquisitions:
Receivables	(20,881)	(6,308)	4,079
Inventories	(28,413)	(4,331)	2,452
Rental merchandise in service	(36,369)	(11,451)	19,334
Prepaid expenses	(247)	(99)	(1,174)
Accounts payable	9,796	4,748	(13,365)
Accrued liabilities	2,654	9,257	7,556
Prepaid and accrued income taxes	(3,147)	(1,724)	2,867
Net cash provided by operating activities	86,193	133,973	159,195
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(32,556)	(20,908)	(4,730)
Capital expenditures	(63,847)	(50,015)	(65,323)
Other	(397)	(1,794)	304
Net cash used in investing activities	(96,800)	(72,717)	(69,749)
Cash flows from financing activities:
Proceeds from long-term debt	30,000	8,850	140,628
Payments on long-term debt	(91,464)	(9,113)	(193,761)
Payments of deferred financing costs	(975)	0	0
Proceeds from exercise of Common Stock options	1,360	1,177	689
Payment of cash dividends	(2,830)	(2,777)	(2,754)
Net cash used in financing activities	(63,909)	(1,863)	(55,198)
Effect of exchange rate changes	2,070	1,714	248
Net (decrease) increase in cash and cash equivalents	(72,446)	61,107	34,496
Cash and cash equivalents at beginning of period	121,258	60,151	25,655
Cash and cash equivalents at end of period	48,812	121,258	60,151
Supplemental disclosure of cash flow information:
Interest paid	7,866	8,503	9,110
Income taxes paid, net of refunds received	$ 33,819	$ 48,764	$ 45,954