Long-Term and Other Debt - Maturities of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total long-term debt outstanding	$ 8,235.3
2017	49.3
2018	344.5
2019	45.4
2020	2,425.5
2021	2,220.6
After 2021	3,150.0
Unamortized deferred financing costs and discount	(161.1)
Total long-term debt outstanding	8,074.2	$ 8,207.0
Senior Notes
Debt Instrument [Line Items]
Total long-term debt outstanding	3,150.0
2017	0.0
2018	0.0
2019	0.0
2020	0.0
2021	0.0
After 2021	3,150.0
Senior Subordinated Notes
Debt Instrument [Line Items]
Total long-term debt outstanding	834.1
2017	0.0
2018	250.0
2019	0.0
2020	243.5
2021	340.6
After 2021	0.0
Capital Lease Obligations
Debt Instrument [Line Items]
Total long-term debt outstanding	15.2
2017	6.3
2018	6.5
2019	2.4
2020	0.0
2021	0.0
After 2021	0.0
Revolver and Term Loans | Secured Debt
Debt Instrument [Line Items]
Total long-term debt outstanding	4,236.0
2017	43.0
2018	88.0
2019	43.0
2020	2,182.0
2021	1,880.0
After 2021	$ 0.0