Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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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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Debt Debt Schedule (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Sep. 24, 2013
Debt Instrument [Line Items]
Capital lease obligations	$ 22.2us-gaap_CapitalLeaseObligations	$ 30.5us-gaap_CapitalLeaseObligations
Other long-term debt	1.2us-gaap_OtherLongTermDebt	0.9us-gaap_OtherLongTermDebt
Debt and capital lease obligations	5,986.8us-gaap_DebtAndCapitalLeaseObligations	6,002.4us-gaap_DebtAndCapitalLeaseObligations
Term Loan Facility [Member]
Debt Instrument [Line Items]
Long-term Debt			301.8
2011 Term Loan Facility [Member]
Debt Instrument [Line Items]
Long-term Debt			862.5
2013 Term Loan Facility [Member]
Debt Instrument [Line Items]
Long-term Debt	1,175.1	1,185.4
7.375% Senior Notes Member
Debt Instrument [Line Items]
Long-term Debt	650.0	650.0
6.00% Senior Notes [Member]
Debt Instrument [Line Items]
Stated interest rate - percentage	6.00%
Long-term Debt	1,518.8	1,518.8
6.50% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt	650.0	650.0
6.25% Senior Notes [Member]
Debt Instrument [Line Items]
Stated interest rate - percentage	6.25%
Long-term Debt	1,339.6	1,339.6
7.875% Senior Notes [Member]
Debt Instrument [Line Items]
Stated interest rate - percentage	7.875%
Long-term Debt	247.6	247.5
Convertible Junior Subordinated Debentures [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 382.3	$ 379.7