Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Feb. 24, 2018	Feb. 25, 2017
Cash flows from operating activities:
Net income	$ 92,584	$ 50,730
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	39,557	37,051
Amortization of intangible assets	6,414	6,229
Amortization of deferred financing costs	56	56
Gain on sale of assets	(135)	(517)
Share-based compensation	2,417	4,370
Accretion on environmental contingencies	346	300
Accretion on asset retirement obligations	470	423
Deferred income taxes	(20,613)	(1,346)
Changes in assets and liabilities, net of acquisitions:
Receivables, less reserves	(6,931)	(12,887)
Inventories	(5,296)	9,233
Rental merchandise in service	(69)	444
Prepaid expenses and other current assets and Other assets	(7,067)	7,471
Accounts payable	(5,395)	3,695
Accrued liabilities	39	704
Prepaid and accrued income taxes	22,535	8,793
Net cash provided by operating activities	118,912	114,749
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(21,729)	(121,414)
Capital expenditures	(56,653)	(43,011)
Proceeds from sale of assets	1,164	826
Other	(200)	123
Net cash used in investing activities	(77,418)	(163,476)
Cash flows from financing activities:
Proceeds from exercise of share-based awards, including excess tax benefits	430	2,283
Taxes withheld and paid related to net share settlement of equity awards	(2,094)	(1,546)
Payment of cash dividends	(1,447)	(1,448)
Net cash used in financing activities	(3,111)	(711)
Effect of exchange rate changes	(444)	(822)
Net increase (decrease) in cash, cash equivalents and short-term investments	37,939	(50,260)
Cash, cash equivalents and short-term investments at beginning of period	349,752	363,795
Cash, cash equivalents and short-term investments at end of period	$ 387,691	$ 313,535