Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

- Definition

Maximum amount of loss due to credit risk that, based on the gross fair value of the financial instrument, the entity would incur if parties to the financial instruments that make up the concentration failed completely to perform according to the terms of the contracts and the collateral or other security, if any, for the amount due proved to be of no value to the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 15A

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

+ Details

Name:	us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of the obligation to return cash collateral under master netting arrangements that have not been offset against net derivative instrument positions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959

+ Details

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

- Details

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

- Definition

The cash outflow for derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.

+ References

No definition available.

+ Details

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

Financial Instruments and Commodity Contracts (Narrative) (Details)	3 Months Ended	12 Months Ended												1 Months Ended
	Oct. 31, 2012 USD ($)	Oct. 31, 2011 USD ($)	Oct. 31, 2012 Foreign Exchange Contract [Member] EUR (€)	Oct. 31, 2011 Foreign Exchange Contract [Member] CAD	Oct. 31, 2011 Foreign Exchange Contract [Member] EUR (€)	Oct. 31, 2012 Commodity Contract [Member] Steel Forward Contracts [Member] USD ($)	Oct. 31, 2011 Commodity Contract [Member] Steel Forward Contracts [Member] USD ($)	Oct. 31, 2011 Commodity Contract [Member] Natural Rubber Forward Contracts [Member] USD ($)	Oct. 31, 2012 Commodity Contract [Member] Diesel Fuel Forward Contracts [Member] USD ($)	Oct. 31, 2011 Commodity Contract [Member] Diesel Fuel Forward Contracts [Member] USD ($)	Oct. 31, 2011 Commodity Contract [Member] Lead Forward Contracts [Member] USD ($)	Oct. 31, 2012 Interest Rate Contract [Member] USD ($)	Oct. 31, 2011 Interest Rate Contract [Member] USD ($)	Oct. 31, 2009 Call Option [Member] Convertible Subordinated Debt [Member] Manufacturing Operations [Member] USD ($)
Derivative [Line Items]
Payments for Derivative Instrument, Investing Activities														$ 125,000,000
Derivative, Notional Amount			25,000,000	6,000,000	54,000,000	61,000,000	41,000,000	14,000,000	3,000,000	19,000,000	1,000,000	39,000,000	50,000,000
Derivative, Collateral, Obligation to Return Cash	1,000,000	0
Exposure to credit risk	$ 0	$ 4,000,000