CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019
Operating Activities:
Net income	$ 98,159	$ 78,181	$ 73,489
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	64,983	61,225	54,958
Allowance for doubtful accounts	(53)	3	47
Loss on sale of property and equipment	1,027	443	1,079
Deferred income taxes	(3,853)	(3,405)	(4,401)
Equity in losses of unconsolidated affiliates	58	95	61
Stock-based compensation	18,424	13,817	15,061
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	13,097	(3,040)	14,961
Merchandise inventories	(80,202)	21,764	(10,248)
Accounts payable	15,526	90,185	25,325
Net cash provided by operating activities	127,166	259,268	170,332
Investing Activities:
Additions to property and equipment	(113,174)	(100,320)	(140,061)
Purchases of short-term investments	(69,460)	(49,629)	(15,244)
Proceeds from settlements of short-term investments	65,528	20,182	30,527
Purchases of long-term investments	(1,478)	(1,485)
Proceeds from settlements of long-term investments	1,478
Proceeds from disposal of property and equipment	385	40	74
Net cash used in investing activities	(116,721)	(131,212)	(124,704)
Financing Activities:
Proceeds from long-term bank borrowings	17,565	57,882
Repayment of long-term bank borrowings	(19,993)	(15,164)	(12,939)
Proceeds from short-term bank borrowings		271,014	18,403
Repayment of short-term bank borrowings	(64,983)	(212,919)	(10,863)
Cash dividend payments	(21,988)	(21,527)	(21,654)
Purchase of treasury stock for tax withholding on stock compensation	(5,542)	(3,651)	(4,604)
Other financing activities	(196)	(72)	(298)
Net cash provided by (used in) financing activities	(95,137)	75,563	(31,955)
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(3,600)	(6,084)	(4,351)
Net increase (decrease) in cash, cash equivalents	(88,292)	197,535	9,322
Cash, cash equivalents and restricted cash at beginning of period	303,771	106,236	96,914
Cash, cash equivalents and restricted cash at end of period	215,479	303,771	106,236
Supplemental disclosure of noncash investing activities:
Capital expenditures accrued, but not yet paid	3,497	10,563	6,637
Cash paid during the period for:
Interest	7,774	6,877	3,504
Income taxes	58,571	50,814	48,312
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	202,060	299,481	102,653
Short-term restricted cash	3,647	185	54
Long-term restricted cash	9,772	4,105	3,529
Total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows	$ 215,479	$ 303,771	$ 106,236