Goodwill and Intangible Assets (Details) (USD $)	3 Months Ended	12 Months Ended
	Nov. 30, 2012	Aug. 31, 2012
Goodwill
Goodwill, Impairment Loss		$ 0
Goodwill, Acquired During Period	9,329,000
Goodwill, Translation and Purchase Accounting Adjustments	1,308,000
Goodwill	138,990,000	128,353,000
EMEA [Member]
Goodwill
Goodwill, Acquired During Period	0
Goodwill, Translation and Purchase Accounting Adjustments	1,417,000
Goodwill	69,957,000	68,540,000
Americas [Member]
Goodwill
Goodwill, Acquired During Period	9,329,000
Goodwill, Translation and Purchase Accounting Adjustments	(109,000)
Goodwill	$ 69,033,000	$ 59,813,000