Segment Information (Schedule Of Segment Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 01, 2014	Mar. 02, 2013	Mar. 01, 2014	Mar. 02, 2013
Segment Reporting Information [Line Items]
Sales to external customers	$ 46,506	$ 40,430	$ 89,924	$ 84,491
Gross Profit	31,411	27,284	61,441	56,843
Adjusted EBITDA	6,620	5,564	12,640	12,654
Depreciation	816	722	1,601	1,423
Amortization	989	619	1,978	1,241
United States/Canada [Member]
Segment Reporting Information [Line Items]
Sales to external customers	34,910	29,262	67,204	59,605
Gross Profit	22,335	18,580	43,638	37,410
Adjusted EBITDA	3,045	2,158	5,483	4,484
Depreciation	407	299	781	566
Amortization	987	616	1,974	1,235
International [Member]
Segment Reporting Information [Line Items]
Sales to external customers	10,520	10,106	20,887	22,769
Gross Profit	8,484	8,103	16,921	18,265
Adjusted EBITDA	4,604	4,437	9,494	10,354
Depreciation	79	84	158	165
Amortization	2	3	4	6
Reportable Unit Assets [Member]
Segment Reporting Information [Line Items]
Sales to external customers	45,430	39,368	88,091	82,374
Gross Profit	30,819	26,683	60,559	55,675
Adjusted EBITDA	7,649	6,595	14,977	14,838
Depreciation	486	383	939	731
Amortization	989	619	1,978	1,241
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Sales to external customers	1,076	1,062	1,833	2,117
Gross Profit	592	601	882	1,168
Adjusted EBITDA	(1,029)	(1,031)	(2,337)	(2,184)
Depreciation	$ 330	$ 339	$ 662	$ 692