Intangible Assets and Goodwill (Details 1) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Oct. 31, 2011
Goodwill related to operating segments
Goodwill	$ 258,815	$ 268,589
Americas [Member]
Goodwill related to operating segments
Goodwill	75,946	76,048
Europe [Member]
Goodwill related to operating segments
Goodwill	176,662	186,334
Asia/Pacific [Member]
Goodwill related to operating segments
Goodwill	$ 6,207	$ 6,207

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details