Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Feb. 29, 2020	Feb. 23, 2019
Cash flows from operating activities:
Net income	$ 82,922	$ 85,926
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	51,430	50,162
Amortization of deferred financing costs	56	56
Forgiveness of a liability		(7,346)
Share-based compensation	3,227	2,796
Accretion on environmental contingencies	269	377
Accretion on asset retirement obligations	463	441
Deferred income taxes	727	364
Other	16	(811)
Changes in assets and liabilities, net of acquisitions:
Receivables, less reserves	(4,867)	(2,502)
Inventories	6,125	(5,589)
Rental merchandise in service	6,839	(4,862)
Prepaid expenses and other current assets and Other assets	2,170	(3,616)
Accounts payable	(5,815)	(5,268)
Accrued liabilities	(1,752)	(7,711)
Prepaid and accrued income taxes	(4,941)	26,243
Net cash provided by operating activities	136,869	128,660
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(41,021)	(67)
Capital expenditures, including capitalization of software costs	(62,271)	(52,152)
Proceeds from sale of assets	236	178
Other		15
Net cash used in investing activities	(103,056)	(52,026)
Cash flows from financing activities:
Proceeds from exercise of share-based awards	75	27
Taxes withheld and paid related to net share settlement of equity awards	(3,281)	(1,095)
Repurchase of Common Stock	(14,203)	(6,280)
Payment of cash dividends	(6,609)	(4,140)
Net cash used in financing activities	(24,018)	(11,488)
Effect of exchange rate changes	187	(336)
Net (decrease) increase in cash, cash equivalents and short-term investments	9,982	64,810
Cash, cash equivalents and short-term investments at beginning of period	385,341	270,512
Cash, cash equivalents and short-term investments at end of period	395,323	335,322
Supplemental disclosure of cash flow information:
Non-cash capital expenditures	$ 9,004	$ 10,141