Debt - Schedule of Debt (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total debt and capital lease obligations	$ 5,376,000,000.0	$ 5,447,200,000
Less: current installments of long-term debt and revolving credit facilities	25,300,000	10,100,000
Total long-term debt and capital lease obligations	5,350,700,000	5,437,100,000
Senior Notes | USD Senior Notes Due 2022
Debt Instrument [Line Items]
Face amount	$ 1,100,000,000
Stated interest rate	6.50%
Total debt and capital lease obligations	$ 1,067,100,000	1,086,100,000
Unamortized premiums, discounts and debt issuance costs	$ 29,900,000	$ 35,500,000
Effective interest rate percentage	6.50%	6.50%
Senior Notes | EUR Senior Notes Due 2023
Debt Instrument [Line Items]
Face amount	$ 350,000,000
Stated interest rate	6.00%
Total debt and capital lease obligations	$ 397,400,000	$ 415,100,000
Senior Notes | USD Senior Notes Due 2025
Debt Instrument [Line Items]
Face amount	$ 800,000,000
Stated interest rate	5.875%
Total debt and capital lease obligations	$ 784,900,000	783,200,000
Domestic Line of Credit | First Lien Credit Facility Term Loans
Debt Instrument [Line Items]
Unamortized premiums, discounts and debt issuance costs	$ 22,400,000	$ 33,300,000
Effective interest rate percentage	4.60%	4.50%
Domestic Line of Credit | First Lien Credit Facility - USD Term Loans Due 2020, Interest Rate Greater of 3.50% or LIBOR plus 2.50%
Debt Instrument [Line Items]
Stated interest rate	3.50%
Total debt and capital lease obligations	$ 624,300,000	$ 620,400,000
Domestic Line of Credit | First Lien Credit Facility - USD Term Loans Due 2020, Interest Rate Greater of 3.50% or LIBOR plus 2.50% | LIBOR
Debt Instrument [Line Items]
Spread on variable rate	2.50%
Domestic Line of Credit | First Lien Credit Facility - USD Term Loans Due 2021, Interest Rate Greater of 4.00% or LIBOR plus 3.00%
Debt Instrument [Line Items]
Stated interest rate	4.00%
Total debt and capital lease obligations	$ 1,124,700,000	1,121,200,000
Domestic Line of Credit | First Lien Credit Facility - USD Term Loans Due 2021, Interest Rate Greater of 4.00% or LIBOR plus 3.00% | LIBOR
Debt Instrument [Line Items]
Spread on variable rate	3.00%
Foreign Line of Credit | First Lien Credit Facility - Euro Term Loans Due 2020, Interest Rate Greater of 3.25% or EURIBOR plus 2.50%
Debt Instrument [Line Items]
Stated interest rate	3.25%
Total debt and capital lease obligations	$ 666,200,000	694,300,000
Foreign Line of Credit | First Lien Credit Facility - Euro Term Loans Due 2020, Interest Rate Greater of 3.25% or EURIBOR plus 2.50% | EURIBOR
Debt Instrument [Line Items]
Spread on variable rate	2.50%
Foreign Line of Credit | First Lien Credit Facility - Euro Term Loans Due 2021, Interest Rate Greater of 3.50% or EURIBOR plus 2.75%
Debt Instrument [Line Items]
Stated interest rate	3.50%
Total debt and capital lease obligations	$ 685,300,000	716,000,000.0
Foreign Line of Credit | First Lien Credit Facility - Euro Term Loans Due 2021, Interest Rate Greater of 3.50% or EURIBOR plus 2.75% | EURIBOR
Debt Instrument [Line Items]
Spread on variable rate	2.75%
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Total debt and capital lease obligations	$ 25,000,000.0	0
Line of Credit | Revolving Credit Facility | LIBOR
Debt Instrument [Line Items]
Spread on variable rate	3.00%
Other
Debt Instrument [Line Items]
Total debt and capital lease obligations	$ 1,100,000	$ 10,900,000