Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 31, 2013
Cash flows from operating activities:
Net income	$ 124,299	$ 119,925	$ 116,685
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	68,164	62,791	59,810
Amortization of intangible assets	8,949	8,961	9,797
Amortization of deferred financing costs	209	209	238
Share-based compensation	5,366	5,601	6,315
Accretion on environmental contingencies	603	716	542
Accretion on asset retirement obligations	690	941	676
Deferred income taxes	(3,473)	8,439	20,666
Changes in assets and liabilities, net of acquisitions:
Receivables, less reserves	(3,494)	(11,541)	(6,907)
Inventories	(2,236)	(4,450)	1,146
Rental merchandise in service	4,900	(14,002)	7,079
Prepaid expenses and other current assets	(4,005)	2,623	(698)
Accounts payable	(7,648)	13,646	321
Accrued liabilities	17,832	6,890	11,261
Prepaid and accrued income taxes	16,761	(6,130)	(15,360)
Net cash provided by operating activities	226,917	194,619	211,571
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(22,359)	(3,635)	(30,714)
Capital expenditures	(101,163)	(91,808)	(103,526)
Other	(747)	1,269	54
Net cash used in investing activities	(124,269)	(94,174)	(134,186)
Cash flows from financing activities:
Proceeds from loans payable and long-term debt	6,866	9,388	14,033
Payments on loans payable and long-term debt	(13,055)	(113,247)	(9,524)
Proceeds from exercise of Common Stock options, including excess tax benefits	7,799	5,899	5,488
Taxes withheld and paid related to net share settlement of equity awards	(5,002)	(3,527)	(3,332)
Payment of cash dividends	(2,869)	(2,860)	(2,851)
Net cash (used in) provided by financing activities	(6,261)	(104,347)	3,814
Effect of exchange rate changes	(11,603)	(1,808)	(3,843)
Net increase (decrease) in cash and cash equivalents	84,784	(5,710)	77,356
Cash and cash equivalents at beginning of period	191,769	197,479	120,123
Cash and cash equivalents at end of period	276,553	191,769	197,479
Supplemental disclosure of cash flow information:
Interest paid	662	763	1,524
Income taxes paid, net of refunds received	$ 59,826	$ 69,755	$ 63,069