Note 8 - Goodwill (Tables)

12 Months Ended

Aug. 31, 2013

Disclosure Text Block Supplement [Abstract]

Schedule of Goodwill [Table Text Block]

	U.S.		Europe			Asia Pacific			Total
Balance at August 31, 2011	$	145,826	$	78,172		$	4,267		$	228,265
Goodwill acquired during the period		21,991		—			—			21,991
Foreign currency translations		—		(4,366	)		(99	)		(4,465	)
Balance at August 31, 2012	$	167,817	$	73,806		$	4,168		$	245,791
Goodwill acquired during the period		5		—			—			5
Foreign currency translations		—		(382	)		(841	)		(1,223	)
Balance at August 31, 2013	$	167,822	$	73,424		$	3,327		$	244,573