Note 9 - Goodwill (Tables)

12 Months Ended

Aug. 31, 2014

Disclosure Text Block Supplement [Abstract]

Schedule of Goodwill [Table Text Block]

	U.S.		Europe			Asia Pacific			Total
Balance at August 31, 2012	$	167,817	$	73,806		$	4,168		$	245,791
Goodwill acquired during the period		5		0			0			5
Foreign currency translations		0		(382	)		(841	)		(1,223	)
Balance at August 31, 2013	$	167,822	$	73,424		$	3,327		$	244,573
Goodwill acquired during the period		11,612		25,531			0			37,143
Foreign currency translations		0		4,077			(185	)		3,892
Balance at August 31, 2014	$	179,434	$	103,032		$	3,142		$	285,608