Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Apr. 30, 2015	Apr. 30, 2014	Nov. 01, 2014
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Effective tax rate (ETR)	8.60%	9.20%
Unrecognized tax benefits that would impact ETR			$ 32.0
Interest and penalties			4.1
Unrecognized tax benefits related to tax positions			$ 10.2

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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Amount of (increase) decrease reasonably possible in the estimated upper bound of the unrecognized tax benefit for a tax position taken or expected to be taken.

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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