Note 2 - Acquisitions (Tables)

12 Months Ended

Aug. 29, 2015

Business Combinations [Abstract]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Year ended	August 29, 2015			August 30, 2014		August 31, 2013
Number of businesses acquired		7			7		7
Tangible assets acquired	$	4,179		$	949	$	7,494
Intangible assets and goodwill acquired		18,190			2,686		23,326
Liabilities assumed		(10	)		—		(106	)
Acquisition of businesses	$	22,359		$	3,635	$	30,714