Debt and Credit Facilities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Total debt outstanding
Short-term borrowings	$ 34.5	$ 23.5
Current portion of long-term debt	1.9	6.5
Total current debt	36.4	30.0
Credit facility amount outstanding	34.5	23.5
Other	2.8	2.7
Total long-term debt, less current portion	5,010.9	1,399.2
Total debt	5,047.3	1,429.2
Multicurrency term A facility tranche [Member]
Total debt outstanding
Credit facility amount outstanding	989.9	0
Multicurrency term B facility tranche [Member]
Total debt outstanding
Credit facility amount outstanding	1,118.8	0
Debt Instrument (Textual) [Abstract]
Unamortized discount	26.5
5.625 % Senior Notes due July 2013 [Member]
Total debt outstanding
Senior notes	401.0	399.4
Debt Instrument (Textual) [Abstract]
Debt interest rate	5.625%	5.625%
Unamortized discount	0.3	0.4
12% Senior Notes due February 2014 [Member]
Total debt outstanding
Senior notes	156.3	156.0
Debt Instrument (Textual) [Abstract]
Debt interest rate	12.00%	12.00%
7.875% Senior Notes due June 2017 [Member]
Total debt outstanding
Senior notes	393.5	392.6
Debt Instrument (Textual) [Abstract]
Debt interest rate	7.875%	7.875%
Unamortized discount	6.5	7.4
8.125% senior notes due 2019 [Member]
Total debt outstanding
Senior notes	750.0	0
Debt Instrument (Textual) [Abstract]
Debt interest rate	8.125%	8.125%
8.375% senior notes due 2021 [Member]
Total debt outstanding
Senior notes	750.0	0
Debt Instrument (Textual) [Abstract]
Debt interest rate	8.375%	8.375%
6.875% Senior Notes due July 2033 [Member]
Total debt outstanding
Senior notes	448.6	448.5
Debt Instrument (Textual) [Abstract]
Debt interest rate	6.875%	6.875%
Unamortized discount	$ 1.4	$ 1.5

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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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