Income Taxes - Summary of Unrecognized Tax Benefits (Excluding Interest and Penalties and Related Tax Carryforwards) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2012	Oct. 31, 2011
Income Taxes [Line Items]
Balance, beginning of year	$ 10,401	$ 144,923
Gross increases related to current year tax positions	1,166	262
Settlements		(134,190)
Lapse in statute of limitation	(598)	(545)
Foreign exchange and other	(182)	(49)
Balance, end of year	$ 10,787	$ 10,401

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

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

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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Gross amount of decreases in unrecognized tax benefits resulting from foreign currency translation.

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- Definition

The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

+ References

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

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- Definition

The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

+ References

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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