Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Feb. 23, 2019	Feb. 24, 2018
Cash flows from operating activities:
Net income	$ 85,926	$ 92,584
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	50,162	45,971
Amortization of deferred financing costs	56	56
Forgiveness of a liability	(7,346)
Share-based compensation	2,796	2,417
Accretion on environmental contingencies	377	346
Accretion on asset retirement obligations	441	470
Deferred income taxes	364	(20,613)
Other	(810)	(135)
Changes in assets and liabilities, net of acquisitions:
Receivables, less reserves	(2,502)	(6,931)
Inventories	(5,589)	(5,296)
Rental merchandise in service	(4,862)	(69)
Prepaid expenses and other current assets and Other assets	(3,616)	(7,067)
Accounts payable	(5,268)	(5,395)
Accrued liabilities	(7,711)	39
Prepaid and accrued income taxes	26,243	22,535
Net cash provided by operating activities	128,661	118,912
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(67)	(21,729)
Capital expenditures, including capitalization of software costs	(52,152)	(56,653)
Proceeds from sale of assets	178	1,164
Other	15	(200)
Net cash used in investing activities	(52,026)	(77,418)
Cash flows from financing activities:
Proceeds from exercise of share-based awards	27	430
Taxes withheld and paid related to net share settlement of equity awards	(1,095)	(2,094)
Repurchase of Common Stock	(6,281)
Payment of cash dividends	(4,140)	(1,447)
Net cash used in financing activities	(11,489)	(3,111)
Effect of exchange rate changes	(336)	(444)
Net increase in cash, cash equivalents and short-term investments	64,810	37,939
Cash, cash equivalents and short-term investments at beginning of period	270,512	349,752
Cash, cash equivalents and short-term investments at end of period	335,322	387,691
Supplemental disclosure of cash flow information:
Non-cash capital expenditures	$ 10,141	$ 10,087