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Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012
Tax Benefits potential Interest and Penalties |  |  |
Tax Benefits potential Interest and Penalties | $ 9,694 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | $ 5,699 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | $ 5,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Tax Benefit Amount Accrued for potential Interest and Penalties |  |  |
Tax Benefit Amount Accrued for potential Interest and Penalties | $ 33,867 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | $ 28,362 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |

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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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