Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 7,901	$ 7,095
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Depreciation and amortization	4,896	5,140
Provision for uncollectible accounts receivable	91	158
Deferred income taxes	1,841	140
Share-based compensation expense	1,222	1,583
Unrealized foreign currency transaction loss (gain)	2,193	(203)
Other, net	292	36
Changes in assets and liabilities:
Receivables	(17,816)	8,896
Inventories	(31,674)	(8,294)
Other current assets	5,965	(3,068)
Accounts payable	12,462	7,286
Other current liabilities	(3,632)	(7,146)
Other noncurrent assets and liabilities	(7,920)	3,750
Net cash (used in) provided by operating activities	(24,179)	15,373
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant, and equipment	(3,061)	(5,614)
Purchases of marketable securities available-for-sale	(14,354)	(3,844)
Proceeds from maturities of marketable securities available-for-sale	3,599	3,616
Other investing activities, net	(342)	0
Net cash used in investing activities	(14,158)	(5,842)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of stock options	2,442	56
Common stock withheld for payroll tax obligations	(1,181)	(1,269)
Proceeds from employee stock purchase plan	93	0
Principal payments on long-term debt	(54)	(35)
Dividends paid	(3,621)	(3,477)
Net cash used in financing activities	(2,321)	(4,725)
Effect of exchange rate changes on cash and cash equivalents	(1,730)	593
Net change in cash and cash equivalents	(42,388)	5,399
Cash and cash equivalents, beginning of period	127,107	121,403
Cash and cash equivalents, end of period	84,719	126,802
SUPPLEMENTAL CASH FLOW INFORMATION:
Income taxes paid, net of refunds	341	418
Interest paid	$ 51	$ 77