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Business Segments And Foreign Operations (Net Sales And Long-Lived Assets By Geographical Area) (Details) - USD ($) $ in Thousands		12 Months Ended
		Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales		$ 380,670	$ 378,150	$ 382,997
Long-lived assets	[1]	11,545	11,376	9,702
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales		158,139	153,116	147,033
Long-lived assets	[1]	6,419	5,955	4,470
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales		222,531	225,034	235,964
Long-lived assets	[1]	$ 5,126	$ 5,421	$ 5,232
[1] Included in these amounts are income before income taxes for the EMEA segment of $28.3 million, $21.9 million and $18.4 million for the fiscal years ended August 31, 2016, 2015 and 2014, respectively.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(13))
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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