Segment Information (Schedule Of EBITDA Segment) (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]
Adjusted EBITDA	$ 6,620	$ 5,564	$ 12,640	$ 12,654
Share-based compensation expense	(983)	(971)	(2,244)	(1,445)
Reduction of contingent earnout liability	67		587
Depreciation	(816)	(722)	(1,601)	(1,423)
Amortization	(989)	(619)	(1,978)	(1,241)
Income from operations	3,899	3,252	7,404	8,545
Interest income	109	150	252	288
Interest expense	(559)	(598)	(1,119)	(1,188)
Discount on related party receivable	(142)	(135)	(283)	(283)
Income before income taxes	3,307	2,669	6,254	7,362
Reportable Unit Assets [Member]
Segment Reporting Information [Line Items]
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]
Adjusted EBITDA	(1,029)	(1,031)	(2,337)	(2,184)
Depreciation	$ (330)	$ (339)	$ (662)	$ (692)