Nature Of Operations And Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended
Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]
Capitalized development costs, amortization period	5 years
Capitalized development costs	$ 6,700,000	$ 6,400,000
Foreign currency transaction gains (losses)	(100,000)	14,000	(500,000)
Licensee royalty revenue	11,800,000	10,600,000	9,200,000
Advertising costs	5,300,000	3,100,000	3,300,000
Direct response advertising costs	$ 200,000	$ 200,000
Percent likelihood of being realized upon ultimate settlement	50.00%
Minimum [Member]
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]
Direct response advertising costs, amortization period	3 months
Maximum [Member]
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]
Direct response advertising costs, amortization period	12 months

The costs of direct-response advertising whose primary purpose is to elicit sales to customers who could be shown to have responded specifically to the advertising and that results in probable future benefits and are reported as assets net of accumulated amortization.

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The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

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