v2.4.1.9

Debt Letter of Credit (Details) (USD $) In Millions, unless otherwise specified	Jan. 31, 2015	Oct. 31, 2014
Line of Credit Facility [Line Items]
Letters of Credit Outstanding, Amount	$ 12us-gaap_LettersOfCreditOutstandingAmount	$ 13us-gaap_LettersOfCreditOutstandingAmount

X

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration