Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 2,172	$ 20,277	$ 23,179
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	14,018	16,514	16,678
Loss on sale of businesses	301	4,056
Provision for uncollectible accounts receivable	(496)	(2,587)	(574)
Deferred income taxes	(5,686)	(50)	(903)
Share-based compensation expense	4,195	3,891	3,598
Valuation adjustment for indirect tax credits	2,795
Other, net	981	2,903	626
Changes in assets and liabilities:
Receivables	(7,969)	(3,714)	7,959
Inventories	(16,187)	(8,173)	(10,092)
Other current assets	173	(1,150)	4,581
Accounts payable	2,119	159	4,076
Other current liabilities	2,629	3,671	(3,821)
Other noncurrent assets and liabilities	4,752	(1,863)	(5,858)
Net cash provided by operating activities	3,797	33,934	39,449
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant, and equipment	(23,211)	(11,054)	(8,863)
Proceeds from sale of businesses		29,888
Proceeds from settlement of net investment hedges	2,262	2,278	2,117
Payments for settlement of net investment hedges	(327)	(3,089)	(3,466)
Other investing activities, net	57	82	233
Net cash (used in) provided by investing activities	(21,219)	18,105	(9,979)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of stock options	177	2,788	3,020
Common stock withheld for payroll tax obligations	(1,124)	(833)	(635)
Principal payments on long-term debt	(205)	(201)	(197)
Payment of debt issuance costs	(115)
Dividends paid	(13,375)	(13,006)	(12,490)
Net cash used in financing activities	(14,642)	(11,252)	(10,302)
Effect of exchange rate changes on cash and cash equivalents	(1,519)	(1,620)	1,206
Net change in cash and cash equivalents	(33,583)	39,167	20,374
Cash and cash equivalents, beginning of period	160,787	121,620	101,246
Cash and cash equivalents, end of period	127,204	160,787	121,620
SUPPLEMENTAL CASH FLOW INFORMATION
Income taxes paid	7,887	11,184	16,214
Interest paid	4,671	$ 4,626	$ 4,696
NONCASH INVESTING ACTIVITIES
Issuance of note receivable from sale of business	$ 5,589