Intangible Assets and Goodwill (Details Textual) (USD $)	1 Months Ended	9 Months Ended
	Oct. 31, 2012	Jul. 31, 2012 Y	Jul. 31, 2011 Y
Intangible Assets and Goodwill (Additional Textual) [Abstract]
Decrease in Goodwill		$ 9,800,000
Intangible Assets and Goodwill (Textual) [Abstract]
Minimum estimated useful life of Trademarks and Licenses		10
Maximum estimated useful life of Trademarks and Licenses			25
Residual Value of Trademarks and Licenses		0
Intangible amortization expense		2,300,000	2,300,000
Annual amortization expense Current year	2,900,000
Annual amortization expense One Year		1,600,000
Annual amortization expense 2013 through 2017		Annual amortization expense 2013 through 2017
Americas [Member]
Intangible Assets and Goodwill (Additional Textual) [Abstract]
Goodwill translation adjustments		100,000
Europe [Member]
Intangible Assets and Goodwill (Additional Textual) [Abstract]
Goodwill translation adjustments		17,200,000
Goodwill partially offset related to acquisition		7,500,000
Decrease in Goodwill		$ 9,700,000