Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Nov. 28, 2015		Nov. 29, 2014
Cash flows from operating activities:
Net income	$ 35,890		$ 37,413
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	17,643		15,865
Amortization of intangible assets	2,095		2,172
Amortization of deferred financing costs	52		52
Share-based compensation	1,260		1,615
Accretion on environmental contingencies	167		151
Accretion on asset retirement obligations	199		194
Deferred income taxes	26		21
Changes in assets and liabilities, net of acquisitions:
Receivables, less reserves	(17,376)		(16,039)
Inventories	3,452		645
Rental merchandise in service	(1,280)		(1,744)
Prepaid expenses and other current assets	(2,286)		(6,847)
Accounts payable	7,913		559
Accrued liabilities	(4,967)		(2,796)
Prepaid and accrued income taxes	14,853		21,587
Net cash provided by operating activities	57,641		52,848
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(73)		(10,846)
Capital expenditures	(21,049)		(17,453)
Other	223		100
Net cash used in investing activities	$ (20,899)		(28,199)
Cash flows from financing activities:
Proceeds from loans payable and long-term debt			2,008
Payments on loans payable and long-term debt	$ (764)		(3,508)
Proceeds from exercise of Common Stock options, including excess tax benefits	383		1,750
Payment of cash dividends	(717)		(715)
Net cash used in financing activities	(1,098)		(465)
Effect of exchange rate changes	(665)		(2,979)
Net increase in cash and cash equivalents	34,979		21,205
Cash and cash equivalents at beginning of period	276,553	[1]	191,769
Cash and cash equivalents at end of period	$ 311,532		$ 212,974

[1] Derived from audited financial statements.