| **Financial Instruments and Commodity Contracts - Foreign Currency Contracts (Details) (Foreign Exchange Contract [Member])In Millions, unless otherwise specified** | Jul. 31, 2014USD ($) | Jul. 31, 2014EUR (€) | Oct. 31, 2013EUR (€) | Jul. 31, 2014Contract 1 [Member]USD ($) | Jul. 31, 2014Contract 1 [Member]CAD | Oct. 31, 2013Contract 1 [Member]USD ($) | Oct. 31, 2013Contract 1 [Member]CAD | Oct. 31, 2013Contract 2 [Member]CAD |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------|-----------------------------|-----------------------------|-----------------------------------------|-------------------------------------|-----------------------------------------|-------------------------------------|-------------------------------------|
| **Derivative [Line Items]**                                                                                                                                          |                 |                        |                        |                                    |                                |                                    |                                |                                |
| Derivative, Notional Amount                                                                                                                                          | $ 3                  | € 20                 | € 2                  | $ 4                                     | 5                                   | $ 25                                    | 90                                  | 50                                  |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B
+ Details**Name:**invest_DerivativeNotionalAmount**Namespace Prefix:**invest_**Data Type:**xbrli:monetaryItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                       |
|---------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_DerivativeLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |