Segment Information (Schedule Of Segment Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	May 31, 2014	Jun. 01, 2013	May 31, 2014	Jun. 01, 2013
Segment Reporting Information [Line Items]
Sales to external customers	$ 47,131	$ 44,859	$ 137,055	$ 129,350
Gross Profit	29,884	29,435	91,325	86,277
Adjusted EBITDA	5,133	6,262	17,774	18,915
Depreciation	866	752	2,466	2,175
Amortization	983	960	2,961	2,201
United States/Canada [Member]
Segment Reporting Information [Line Items]
Sales to external customers	36,318	35,198	103,522	94,803
Gross Profit	21,924	21,958	65,562	59,367
Adjusted EBITDA	1,950	3,651	7,434	8,135
Depreciation	446	320	1,227	886
Amortization	943	957	2,917	2,193
International [Member]
Segment Reporting Information [Line Items]
Sales to external customers	9,757	8,608	30,644	31,377
Gross Profit	7,357	6,901	24,279	25,166
Adjusted EBITDA	4,015	3,801	13,509	14,155
Depreciation	88	79	246	244
Amortization	40	3	44	8
Reportable Unit Assets [Member]
Segment Reporting Information [Line Items]
Sales to external customers	46,075	43,806	134,166	126,180
Gross Profit	29,281	28,859	89,841	84,533
Adjusted EBITDA	5,965	7,452	20,943	22,290
Depreciation	534	399	1,473	1,130
Amortization	983	960	2,961	2,201
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Sales to external customers	1,056	1,053	2,889	3,170
Gross Profit	603	576	1,484	1,744
Adjusted EBITDA	(832)	(1,190)	(3,169)	(3,375)
Depreciation	$ 332	$ 353	$ 993	$ 1,045