Segment Information (Schedule Of Segment Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Feb. 28, 2015	Mar. 01, 2014	Feb. 28, 2015	Mar. 01, 2014
Segment Reporting Information [Line Items]
Sales to external customers	$ 46,316us-gaap_SalesRevenueNet	$ 46,506us-gaap_SalesRevenueNet	$ 94,190us-gaap_SalesRevenueNet	$ 89,924us-gaap_SalesRevenueNet
Gross Profit	30,015us-gaap_GrossProfit	31,411us-gaap_GrossProfit	61,219us-gaap_GrossProfit	61,441us-gaap_GrossProfit
Adjusted EBITDA	3,847	6,620	9,726	12,640
Depreciation	1,040us-gaap_Depreciation	816us-gaap_Depreciation	2,004us-gaap_Depreciation	1,601us-gaap_Depreciation
Amortization	953us-gaap_AdjustmentForAmortization	989us-gaap_AdjustmentForAmortization	1,906us-gaap_AdjustmentForAmortization	1,978us-gaap_AdjustmentForAmortization
Operating Segments [Member]
Segment Reporting Information [Line Items]
Sales to external customers	45,367	45,430	92,154	88,091
Gross Profit	29,530	30,819	60,259	60,559
Adjusted EBITDA	5,038	7,649	12,109	14,977
Depreciation	658	486	1,246	939
Amortization	953	989	1,906	1,978
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Sales to external customers	949	1,076	2,036	1,833
Gross Profit	485	592	960	882
Adjusted EBITDA	(1,191)	(1,029)	(2,383)	(2,337)
Depreciation	382	330	758	662
United States/Canada [Member]
Segment Reporting Information [Line Items]
Sales to external customers	34,618	34,910	70,156	67,204
Gross Profit	21,129	22,335	43,135	43,638
Adjusted EBITDA	142	3,045	1,831	5,483
Depreciation	582	407	1,087	781
Amortization	952	987	1,904	1,974
International [Member]
Segment Reporting Information [Line Items]
Sales to external customers	10,749	10,520	21,998	20,887
Gross Profit	8,401	8,484	17,124	16,921
Adjusted EBITDA	4,896	4,604	10,278	9,494
Depreciation	76	79	159	158
Amortization	$ 1	$ 2	$ 2	$ 4

Earnings before interest, taxes, depreciation, and amortization.

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- Definition

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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

+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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