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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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The estimated upper bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

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- Definition

The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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

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Income Taxes (Narrative) (Details) (USD $)	9 Months Ended
Income Taxes (Narrative) (Details) (USD $)	Jul. 31, 2012	Jul. 31, 2011	Jan. 19, 2012	Nov. 02, 2011
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Effective tax rate (ETR)	8.50%	8.50%
Unrecognized tax benefits, total gross				$ 27,400,000
Unrecognized tax benefits that would impact ETR				27,300,000
Interest and penalties				1,600,000
Unrecognized tax benefits related to tax positions				9,000,000
Income tax, agreed net deficiency			$ 50,000