Debt - Narrative (Details)	1 Months Ended	3 Months Ended				9 Months Ended		12 Months Ended
	Oct. 31, 2009 USD ($) $ / shares shares	Oct. 31, 2015	Jan. 31, 2015 USD ($) shares	Apr. 30, 2014 USD ($) shares	Apr. 30, 2013	Jul. 31, 2015 USD ($) $ / shares	Jul. 31, 2014 USD ($)	Oct. 31, 2014 USD ($)	Oct. 31, 2013 USD ($)	Oct. 31, 2012 USD ($)	Aug. 07, 2015 USD ($)	Jul. 15, 2015 USD ($)	Apr. 30, 2015 USD ($)	Jul. 03, 2014 USD ($)	Aug. 31, 2012 USD ($)
Debt Instrument [Line Items]
Payments to subsidiary to meet convenant requirement								$ 0	$ 0	$ 0
Warrants and Rights Outstanding													$ 2,875,175
Charge Related to Repurchase of Debt				$ 11,000,000
Shares of Call Options Unwound | shares				8,026,456
Shares of Warrants Unwound | shares			1,939,376	6,523,319
Payments of Debt Issuance Costs						$ 10,000,000	$ 14,000,000
Cash Dividends Paid to Parent Company by Consolidated Subsidiaries			$ 125,000,000
Proceeds from issuance of securitized debt						$ 490,000,000	$ 82,000,000
Three Point Zero Percent Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Shares of Warrants Unwound | shares			1,939,376	6,523,319
Amended and Restated Asset-Based Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							275.00%
Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member]
Debt Instrument [Line Items]
Option Indexed to Issuer's Equity, Strike Price | $ / shares						$ 54.07
Debt Instrument, Convertible, Conversion Ratio						18.4946
Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity										$ 1,000,000,000					$ 1,000,000,000
Debt Instrument, Permitted Receivables Financing															$ 25,000,000
Debt Instrument, Periodic Payment, Principal, Percentage															0.25%
Line of Credit [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					3.50%
Line of Credit [Member] | Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					4.50%
Asset-Based Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity															$ 175,000,000
Debt Instrument, Liquidity Block															35,000,000
Long-term Line of Credit						$ 0		$ 0
Debt Instrument, Permitted Receivables Financing												$ 50,000,000			$ 25,000,000
Asset-Based Credit Facility [Member] | Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Increase to Borrowing Capacity												352,500,000
Asset-Based Credit Facility [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Increase to Borrowing Capacity												$ 200,000,000
Financial Services Operations [Member] | VFN Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 500,000,000
Financial Services Operations [Member] | Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						250,000,000
Financial Services Operations [Member] | Notes Payable, Other Payables [Member] | Investor Notes Sold to Initial Purchasers [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 240,000,000
Financial Services Operations [Member] | Notes Payable, Other Payables [Member] | Investor Notes Maturing Two Thousand and Fifteen [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			250,000,000
Financial Services Operations [Member] | Notes Payable, Other Payables [Member] | Investor Notes Maturing October Two Thousand Thirteen [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			200,000,000
Manufacturing Operations [Member] | Convertible Subordinated Debt [Member] | Three Point Zero Percent Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt				$ 404,000,000
Debt Instrument, Face Amount	$ 570,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 60.14
Proceeds from Issuance of Warrants	$ 87,000,000
Manufacturing Operations [Member] | Convertible Subordinated Debt [Member] | Four Point Five Zero Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.50%
Manufacturing Operations [Member] | Convertible Subordinated Debt [Member] | Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.75%
Debt Instrument, Face Amount				$ 411,000,000
Manufacturing Operations [Member] | Tax Exempt Bond [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						6.50%
Maximum [Member] | Amended and Restated Asset-Based Credit Facility [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							225.00%
Maximum [Member] | Amended and Restated Asset-Based Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							325.00%
Minimum [Member] | Amended and Restated Asset-Based Credit Facility [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							175.00%
Minimum [Member] | Amended and Restated Asset-Based Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate							275.00%
Minimum [Member] | Line of Credit [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					1.25%
Call Option [Member] | Manufacturing Operations [Member] | Convertible Subordinated Debt [Member] | Three Point Zero Percent Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Payments for Derivative Instrument, Investing Activities	$ 125,000,000
Option Indexed to Issuer's Equity, Indexed Shares | shares	11,337,870
Option Indexed to Issuer's Equity, Strike Price | $ / shares	$ 50.27
Convertible Debt Securities [Member] | Three Point Zero Percent Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Option Indexed to Issuer's Equity, Strike Price | $ / shares	$ 50.27
Debt Instrument, Convertible, Conversion Ratio						19.891
Convertible Debt Securities [Member] | Four Point Five Zero Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Conversion Ratio						17.1233
Letter of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Participation Fee Reduction, Amount Outstanding in Excess of Maximum Borrowing Capacity														$ 50,000,000
Letter of Credit [Member] | Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity														$ 40,000,000
Mexican Pesos
Debt Instrument [Line Items]
Long-term Debt			$ 1,800,000,000
United States of America, Dollars
Debt Instrument [Line Items]
Long-term Debt						$ 111,000,000
Subsequent Event [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity											$ 1,040,000,000
Debt Instrument, Permitted Receivables Financing											$ 50,000,000
Debt Instrument, Periodic Payment, Principal, Percentage											0.25%
Debt Instrument, Call Premium		1.00%
Subsequent Event [Member] | Line of Credit [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		4.50%
Subsequent Event [Member] | Line of Credit [Member] | Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		5.50%
Subsequent Event [Member] | Minimum [Member] | Line of Credit [Member] | Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.00%