Segment Information (Schedule Of Segment Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Segment Reporting Information [Line Items]
Sales to external customers	$ 170,456	$ 160,804	$ 136,874
Gross Profit	112,683	103,474	89,071
Adjusted EBITDA	27,056	21,157	14,440
Depreciation	3,142	3,567	3,669
Amortization	2,499	3,540	3,760
Segment Assets	164,080	151,427	149,005
Capital expenditures	4,730	5,465	2,112
United States/Canada [Member]
Segment Reporting Information [Line Items]
Sales to external customers	125,183	118,420	98,344
Gross Profit	78,618	71,782	60,367
Adjusted EBITDA	15,144	12,947	7,956
Depreciation	1,436	1,722	1,825
Amortization	2,483	3,525	3,746
Segment Assets	74,387	76,152	74,527
Capital expenditures	3,934	4,020	1,966
International [Member]
Segment Reporting Information [Line Items]
Sales to external customers	42,052	40,011	35,309
Gross Profit	32,616	31,037	27,148
Adjusted EBITDA	16,874	15,068	10,456
Depreciation	365	436	352
Amortization	16	15	14
Segment Assets	12,436	10,902	13,205
Capital expenditures	289	938	86
Reportable Unit Assets [Member]
Segment Reporting Information [Line Items]
Sales to external customers	167,235	158,431	133,653
Gross Profit	111,234	102,819	87,515
Adjusted EBITDA	32,018	28,015	18,412
Depreciation	1,801	2,158	2,177
Amortization	2,499	3,540	3,760
Segment Assets	86,823	87,054	87,732
Capital expenditures	4,223	4,958	2,052
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Sales to external customers	3,221	2,373	3,221
Gross Profit	1,449	655	1,556
Adjusted EBITDA	(4,962)	(6,858)	(3,972)
Depreciation	1,341	1,409	1,492
Segment Assets	77,257	64,373	61,273
Capital expenditures	$ 507	$ 507	$ 60

Earnings before interest, taxes, depreciation, and amortization.

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Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher SEC

-Name Regulation S-X (SX)

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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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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