Long-Term and Other Debt - Schedule of Outstanding Debt (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Debt Instrument
Principal	$ 8,296.3	$ 8,404.7
Unamortized debt discount	(23.7)	(26.3)
Unamortized deferred financing costs	(155.3)	(171.4)
Total long-term debt outstanding	8,117.3	8,207.0
Less: current portion of long-term debt	(49.7)	(50.3)
Long-term debt, excluding current portion	8,067.6	8,156.7
Term loan facility \| Term Loan, varying interest rate, due 2020
Debt Instrument
Principal	2,242.5	2,254.0
Unamortized debt discount	(6.9)	(7.8)
Unamortized deferred financing costs	(47.0)	(52.5)
Total long-term debt outstanding	2,188.6	2,193.7
Term loan facility \| Term Loan, varying interest rate, due 2021
Debt Instrument
Principal	1,970.0	1,980.0
Unamortized debt discount	(15.2)	(16.7)
Unamortized deferred financing costs	(44.8)	(49.2)
Total long-term debt outstanding	1,910.0	1,914.1
Senior subordinated notes \| 2018 Notes
Debt Instrument
Principal	250.0	250.0
Unamortized debt discount	0.0	0.0
Unamortized deferred financing costs	(1.6)	(2.0)
Total long-term debt outstanding	248.4	248.0
Senior subordinated notes \| 2020 Notes
Debt Instrument
Principal	243.5	300.0
Unamortized debt discount	0.0	0.0
Unamortized deferred financing costs	(2.6)	(3.6)
Total long-term debt outstanding	240.9	296.4
Senior subordinated notes \| 2021 Notes
Debt Instrument
Principal	340.6	350.0
Unamortized debt discount	(1.6)	(1.8)
Unamortized deferred financing costs	(5.1)	(5.6)
Total long-term debt outstanding	333.9	342.6
Senior subordinated notes \| Secured Notes
Debt Instrument
Principal	950.0	950.0
Unamortized debt discount	0.0	0.0
Unamortized deferred financing costs	(15.1)	(16.4)
Total long-term debt outstanding	934.9	933.6
Senior subordinated notes \| Unsecured Notes
Debt Instrument
Principal	2,200.0	2,200.0
Unamortized debt discount	0.0	0.0
Unamortized deferred financing costs	(39.1)	(42.1)
Total long-term debt outstanding	$ 2,160.9	$ 2,157.9
Capital lease obligations
Debt Instrument
Capital lease interest rate	3.90%	3.90%
Capital lease obligations \| Capital lease obligations, payable monthly
Debt Instrument
Principal	$ 19.7	$ 25.7
Unamortized debt discount	0.0	0.0
Unamortized deferred financing costs	0.0	0.0
Total long-term debt outstanding	19.7	25.7
Revolving credit facility \| Revolver, varying interest rate, due 2018
Debt Instrument
Principal	80.0	95.0
Unamortized debt discount	0.0	0.0
Unamortized deferred financing costs	0.0	0.0
Total long-term debt outstanding	$ 80.0	$ 95.0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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