Fair Value Measurements and Other Financial Instruments (Details 1) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Carrying amount and estimated fair values of debt
Credit facility amount outstanding	$ 50.0	$ 34.5
Other foreign loans carrying value	53.3	37.8
Other foreign loans fair value	52.8	37.4
Other domestic loans carrying value	0.8	1.4
Other domestic loans fair value	0.8	1.3
Carrying Amount	4,986.8	5,047.3
Fair Value	5,206.6	5,208.0
Multicurrency term A facility tranche [Member]
Carrying amount and estimated fair values of debt
Credit facility amount outstanding	933.8	989.9
Credit facility amount outstanding fair value	933.8	989.9
Multicurrency term B facility tranche [Member]
Carrying amount and estimated fair values of debt
Credit facility amount outstanding	1,100.7	1,118.8
Credit facility amount outstanding fair value	1,100.7	1,118.8
8.125% senior notes due 2019 [Member]
Carrying amount and estimated fair values of debt
Senior notes	750.0	750.0
Senior notes fair value	830.8	824.5
Fair Value Measurements and Other Financial Instruments (Textual) [Abstract]
Debt interest rate	8.125%	8.125%
8.375% senior notes due 2021 [Member]
Carrying amount and estimated fair values of debt
Senior notes	750.0	750.0
Senior notes fair value	841.5	826.9
Fair Value Measurements and Other Financial Instruments (Textual) [Abstract]
Debt interest rate	8.375%	8.375%
5.625 % Senior Notes due July 2013 [Member]
Carrying amount and estimated fair values of debt
Senior notes	400.7	401.0
Senior notes fair value	408.5	414.1
Fair Value Measurements and Other Financial Instruments (Textual) [Abstract]
Debt interest rate	5.625%	5.625%
12% Senior Notes due February 2014 [Member]
Carrying amount and estimated fair values of debt
Senior notes	154.9	156.3
Senior notes fair value	173.4	179.8
Fair Value Measurements and Other Financial Instruments (Textual) [Abstract]
Debt interest rate	12.00%	12.00%
7.875% Senior Notes due June 2017 [Member]
Carrying amount and estimated fair values of debt
Senior notes	394.0	393.5
Senior notes fair value	432.0	426.0
Fair Value Measurements and Other Financial Instruments (Textual) [Abstract]
Debt interest rate	7.875%	7.875%
6.875% Senior Notes due July 2033 [Member]
Carrying amount and estimated fair values of debt
Senior notes	448.6	448.6
Senior notes fair value	$ 432.3	$ 389.3
Fair Value Measurements and Other Financial Instruments (Textual) [Abstract]
Debt interest rate	6.875%	6.875%

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Debt and capital leased obligation fair value disclosure.

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Long term debt and capital lease obligations current fair value disclosure.

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Other domestic loans carrying value.

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Other foreign loans.

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Other foreign loans fair value disclosure.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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

-Publisher FASB

-Name Accounting Standards Codification

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Interest rate stated in the contractual debt agreement.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

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Amount borrowed under the credit facility as of the balance sheet date.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

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Fair value of the amount outstanding under the credit facility.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents notes payable as of the balance sheet date.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Paragraph 19, 20, 22

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 2, 4

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Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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-Name Regulation S-X (SX)

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-Section 02

-Paragraph 22

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