Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 23,179	$ 20,267	$ 26,309
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	16,678	16,881	16,412
Asset write-down			270
Provision for uncollectible accounts receivable	(574)	(843)	5,840
Deferred income taxes	(903)	(5,755)	278
Share-based compensation expense	3,598	3,060	3,332
Other, net	626	89	4,665
Changes in assets and liabilities:
Receivables	7,959	(4,730)	10,902
Inventories	(10,092)	1,330	915
Prepaid expenses and other current assets	4,581	(1,047)	(3,984)
Accounts payable	4,076	(7,101)	(337)
Other current liabilities	(717)	(230)	(8,856)
Current taxes payable	(3,104)	(813)	(8,011)
Other noncurrent assets and liabilities	(5,858)	12,017	1,558
Net cash provided by operating activities	39,449	33,125	49,293
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(8,863)	(11,496)	(15,244)
Acquisition of business, net of cash acquired			(69,521)
Proceeds from settlement of net investment hedges	2,117	3,381	7,473
Payments for settlement of net investment hedges	(3,466)	(2,924)	(1,202)
Other investing activities, net	233	1,141	(1,091)
Net cash used in investing activities	(9,979)	(9,898)	(79,585)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of stock options	3,020	113	394
Common stock withheld for payroll tax obligations	(635)	(712)	(1,706)
Proceeds from issuance of long-term debt			115,000
Principal payments on long-term debt	(197)	(193)	(112)
Issuance costs related to debt			(620)
Repurchase of common shares		(48,335)	(96,883)
Dividends paid	(12,490)	(12,244)	(12,772)
Net cash (used in) provided by financing activities	(10,302)	(61,371)	3,301
Effect of exchange rate changes on cash and cash equivalents	1,206	297	(5,758)
Net change in cash and cash equivalents	20,374	(37,847)	(32,749)
Cash and cash equivalents, beginning of period	101,246	139,093	171,842
Cash and cash equivalents, end of period	121,620	101,246	139,093
SUPPLEMENTAL CASH FLOW INFORMATION
Income taxes paid	16,214	18,395	26,917
Interest paid	$ 4,696	$ 4,674	$ 2,448