Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Nov. 30, 2014	Nov. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 7,568us-gaap_NetIncomeLoss	$ 10,234us-gaap_NetIncomeLoss
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	3,748us-gaap_DepreciationAndAmortization	3,707us-gaap_DepreciationAndAmortization
Provision for uncollectible accounts receivable	169us-gaap_ProvisionForDoubtfulAccounts	442us-gaap_ProvisionForDoubtfulAccounts
Deferred income taxes	(774)us-gaap_DeferredIncomeTaxExpenseBenefit	(1,365)us-gaap_DeferredIncomeTaxExpenseBenefit
Share-based compensation expense	1,099us-gaap_ShareBasedCompensation	1,180us-gaap_ShareBasedCompensation
Other, net	1,368us-gaap_OtherNoncashIncomeExpense	(244)us-gaap_OtherNoncashIncomeExpense
Changes in assets and liabilities:
Receivables	1,792	(1,608)
Inventories	(5,347)us-gaap_IncreaseDecreaseInInventories	(6,608)us-gaap_IncreaseDecreaseInInventories
Other current assets	(1,513)	(431)
Accounts payable	7,300	3,356
Other current liabilities	(8,131)	(5,986)
Current income taxes payable	(3,441)	3,140
Other noncurrent assets and liabilities	1,857	111
Net cash provided by operating activities	5,695	5,928
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(3,649)	(2,387)
Proceeds from sale of property, plant and equipment		34
Proceeds from settlement of net investment hedges	1,889	101
Payments for settlement of net investment hedges	(329)	(1,035)
Net cash used in investing activities	(2,089)	(3,287)
CASH FLOWS FROM FINANCING ACTIVITIES:
Common stock withheld for payroll tax withholdings	(1,699)	(2,027)
Excess tax benefits from share-based compensation	501	465
Repurchase of common shares	(29,986)
Dividends paid	(3,276)us-gaap_PaymentsOfDividends	(1,681)us-gaap_PaymentsOfDividends
Net cash used in financing activities	(34,460)	(3,243)
Effect of exchange rate changes on cash and cash equivalents	(1,701)	478
Net change in cash and cash equivalents	(32,555)	(124)
Cash and cash equivalents, beginning of period	171,842	151,927
Cash and cash equivalents, end of period	$ 139,287	$ 151,803

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.