Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 22,467	$ 18,971
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Depreciation and amortization	9,912	9,878
Provision for uncollectible accounts receivable	322	246
Deferred income taxes	3,052	206
Share-based compensation expense	2,411	4,047
Unrealized foreign currency transaction gain	(111)	(754)
Other, net	627	1,804
Changes in assets and liabilities:
Receivables	(41,286)	(10,769)
Inventories	(42,412)	(16,245)
Other current assets	(2,541)	(9,492)
Accounts payable	28,757	10,962
Other current liabilities	(8,317)	334
Other noncurrent assets and liabilities	(8,732)	1,940
Net cash (used in) provided by operating activities	(35,851)	11,128
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant, and equipment	(6,926)	(16,556)
Purchases of marketable securities	(18,468)	(8,313)
Proceeds from maturities of marketable securities	12,752	8,043
Other investing activities, net	(2,974)	(860)
Net cash used in investing activities	(15,616)	(17,686)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of stock options	2,821	3,814
Common stock withheld for payroll tax obligations	(1,181)	(1,269)
Proceeds from employee stock purchase plan	235	0
Principal payments on long-term debt	(108)	(88)
Dividends paid	(7,242)	(6,967)
Net cash used in financing activities	(5,475)	(4,510)
Effect of exchange rate changes on cash and cash equivalents	(1,214)	440
Net change in cash and cash equivalents	(58,156)	(10,628)
Cash and cash equivalents, beginning of period	127,107	121,403
Cash and cash equivalents, end of period	68,951	110,775
SUPPLEMENTAL CASH FLOW INFORMATION:
Income taxes paid, net of refunds	2,927	2,397
Interest paid	$ 2,299	$ 2,347