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Derivatives and Hedging Activities (Details Textual) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2011 | Dec. 31, 2011 12% Senior Notes due February 2014 [Member] | Dec. 31, 2010 12% Senior Notes due February 2014 [Member] | Dec. 31, 2011 5.625 % Senior Notes due July 2013 [Member] | Dec. 31, 2010 5.625 % Senior Notes due July 2013 [Member] | Dec. 31, 2011 Interest Rate Swap [Member] | Dec. 31, 2010 Interest Rate Swap [Member] | Dec. 31, 2011 Foreign Exchange Forward [Member] | Dec. 31, 2010 Foreign Exchange Forward [Member] | Dec. 31, 2011 Designated as Hedging Instrument [Member] Interest Rate Swap [Member] | Dec. 31, 2010 Designated as Hedging Instrument [Member] Interest Rate Swap [Member]
Derivatives And Hedging Activities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Mark to market adjustment to record Increase or decrease in the carrying amount of the 12% and 5.625% Senior Notes |  |  |  |  |  |  | $ 2 | $ 6 |  |  |  |
Proceeds from termination of interest rate swap | 2 | 7 |  |  |  |  |  |  |  |  |  |
Loss from termination of interest rate swap | 2 | 1 |  |  |  |  |  |  |  |  |  |
Reduction in interest expenses |  |  |  |  |  |  |  |  |  |  | (3) | (5)
Estimated fair value of foreign currency forward contract, asset |  |  |  |  |  |  |  |  | 15 |  |  |
Estimated fair value of foreign currency forward contract, liability |  |  |  |  |  |  |  |  |  | 0.3 |  |
Derivatives And Hedging Activities (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 12.00% | 12.00% | 5.625% | 5.625% |  |  |  |  |  |
Terminated an interest rate swap with notional amount interest rate swaps | 50 |  |  |  |  |  |  |  |  |  |  |
Loss from termination of interest rate swap | 2 | 1 |  |  |  |  |  |  |  |  |  |
Proceeds from termination of interest rate swap | $ 2 | $ 7 |  |  |  |  |  |  |  |  |  |
Partial redemption of 12 % senior notes | 12.00% |  |  |  |  |  |  |  |  |  |  |
Period of LIBOR to pay interest under interest rate Swap agreements |  | 1 month |  |  |  |  |  |  |  |  |  |
Period of LIBOR to pay interest on remaining interest rate Swap agreements |  | 6 months |  |  |  |  |  |  |  |  |  |
Maximum original maturity period of Foreign Currency Forward Contracts | less than 12 months | less than 12 months |  |  |  |  |  |  |  |  |  |

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- Definition Loss from termination of interest rate swap. + References No definition available. + Details
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- Definition Period of LIBOR to pay interest on remaining interest rate Swap agreements. + References No definition available. + Details
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- Definition Proceeds from termination of interest rate swap. + References No definition available. + Details
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- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959 + Details
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- Definition Amount of unrealized gain (loss) included in earnings for the period related to the fair value of the hedged item in an interest rate fair value hedge, which was offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph a(1) -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5618551-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624171-113959 + Details
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- Definition Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire. + References No definition available. + Details
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