Segment Information (Schedule Of Segment Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May. 30, 2015	May. 31, 2014	May. 30, 2015	May. 31, 2014
Segment Reporting Information [Line Items]
Sales to external customers	$ 48,306	$ 47,131	$ 142,497	$ 137,055
Gross profit	30,322	29,884	91,542	91,325
Adjusted EBITDA	4,864	5,133	14,590	17,774
Depreciation	980	866	2,984	2,466
Amortization	912	983	2,818	2,961
Operating Segments [Member]
Segment Reporting Information [Line Items]
Sales to external customers	47,083	46,075	139,238	134,166
Gross profit	29,594	29,281	89,854	89,841
Adjusted EBITDA	5,779	5,965	17,888	20,943
Depreciation	609	534	1,854	1,473
Amortization	912	983	2,818	2,961
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Sales to external customers	1,223	1,056	3,259	2,889
Gross profit	728	603	1,688	1,484
Adjusted EBITDA	(915)	(832)	(3,298)	(3,169)
Depreciation	371	332	1,130	993
United States/Canada [Member]
Segment Reporting Information [Line Items]
Sales to external customers	37,764	36,318	107,921	103,522
Gross profit	22,580	21,924	65,716	65,562
Adjusted EBITDA	1,878	1,950	3,673	7,434
Depreciation	527	446	1,614	1,227
Amortization	910	943	2,814	2,917
International [Member]
Segment Reporting Information [Line Items]
Sales to external customers	9,319	9,757	31,317	30,644
Gross profit	7,014	7,357	24,138	24,279
Adjusted EBITDA	3,901	4,015	14,215	13,509
Depreciation	82	88	240	246
Amortization	$ 2	$ 40	$ 4	$ 44