Derivative Financial Instruments (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended
Jul. 31, 2012
Derivative Financial Instruments (Textual) [Abstract]
Exchange rates remain constant of gains, net of tax	$ 8.9

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

No definition available.

Name:	us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration