Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Nov. 26, 2016	Nov. 28, 2015
Cash flows from operating activities:
Net income	$ 28,214	$ 35,890
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	18,500	17,643
Amortization of intangible assets	3,640	2,095
Amortization of deferred financing costs	28	52
Share-based compensation	2,015	1,260
Accretion on environmental contingencies	150	167
Accretion expense	205	199
Deferred income taxes	(746)	26
Changes in assets and liabilities, net of acquisitions:
Receivables, less reserves	(13,112)	(17,376)
Inventories	7,526	3,452
Rental merchandise in service	152	(1,280)
Prepaid expenses and other current assets	9,288	(2,286)
Accounts payable	(1,113)	7,913
Accrued liabilities	(8,837)	(4,967)
Prepaid and accrued income taxes	17,589	14,853
Net cash provided by operating activities	63,499	57,641
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(120,391)	(73)
Capital expenditures	(18,233)	(21,049)
Other	281	223
Net cash used in investing activities	(138,343)	(20,899)
Cash flows from financing activities:
Payments on loans payable and long-term debt		(764)
Proceeds from exercise of share-based awards, including excess tax benefits	929	383
Taxes withheld and paid related to net share settlement of equity awards	(566)
Payment of cash dividends	(724)	(717)
Net cash used in financing activities	(361)	(1,098)
Effect of exchange rate changes	(2,471)	(665)
Net (decrease) increase in cash and cash equivalents	(77,676)	34,979
Cash and cash equivalents at beginning of period	363,795	276,553
Cash and cash equivalents at end of period	$ 286,119	$ 311,532