Segment Information (Details 1) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Oct. 31, 2011
Identifiable assets
Identifiable assets	$ 1,727,084	$ 1,764,223
Americas [Member]
Identifiable assets
Identifiable assets	580,941	577,643
Europe [Member]
Identifiable assets
Identifiable assets	734,332	750,378
Asia/Pacific [Member]
Identifiable assets
Identifiable assets	213,886	231,879
Corporate Operations [Member]
Identifiable assets
Identifiable assets	$ 197,925	$ 204,323