CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Operating Activities:
Net income	$ 78,181	$ 73,489	$ 74,403
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	61,225	54,958	52,640
Allowance for doubtful accounts	3	47	(369)
Asset impairment and closure costs			1,929
Loss on sale of property and equipment	443	1,079	1,339
Deferred income taxes	(3,405)	(4,401)	6,962
Equity in losses of unconsolidated affiliates	95	61	8
Stock-based compensation	13,817	15,061	10,218
Change in operating assets and liabilities:
Receivables, prepaid expenses and other current assets, non-current assets, accrued salaries and benefits, deferred membership income and other accruals	(3,040)	14,961	(1,108)
Merchandise inventories	21,764	(10,248)	(10,079)
Accounts payable	90,185	25,325	(16,489)
Net cash provided by operating activities	259,268	170,332	119,454
Investing Activities:
Business acquisition, net of cash acquired			(23,895)
Additions to property and equipment	(100,320)	(140,061)	(98,109)
Purchases of short-term investments	(49,629)	(15,244)	(77,997)
Proceeds from settlements of short-term investments	20,182	30,527	45,693
Purchases of long-term investments	(1,485)		(100)
Proceeds from disposal of property and equipment	40	74	629
Net cash used in investing activities	(131,212)	(124,704)	(153,779)
Financing Activities:
Proceeds from long-term bank borrowings	57,882		28,500
Repayment of long-term bank borrowings	(15,164)	(12,939)	(32,088)
Proceeds from short-term bank borrowings	271,014	18,403	81,851
Repayment of short-term bank borrowings	(212,919)	(10,863)	(81,851)
Cash dividend payments	(21,527)	(21,654)	(21,240)
Purchase of treasury stock for tax withholding on stock compensation	(3,651)	(4,604)	(3,183)
Proceeds from exercise of stock options			269
Other financing activities	(72)	(298)	(75)
Net cash provided by (used in) financing activities	75,563	(31,955)	(27,817)
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(6,084)	(4,351)	(6,656)
Net increase (decrease) in cash, cash equivalents	197,535	9,322	(68,798)
Cash, cash equivalents and restricted cash at beginning of period	106,236	96,914	165,712
Cash, cash equivalents and restricted cash at end of period	303,771	106,236	96,914
Supplemental disclosure of noncash investing activities:
Capital expenditures accrued, but not yet paid	10,563	6,637	1,481
Cash paid during the period for:
Interest, net of amounts capitalized	6,877	3,504	4,955
Income taxes	50,814	48,312	52,151
Reconciliation of cash, cash equivalents, and restricted cash:
Total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows	$ 106,236	$ 96,914	$ 96,914