Debt, Factoring and Customer Financing Arrangements - Summary of Debt and Capital Leases Outstanding (Details) - USD ($)	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total debt and capital lease obligations	$ 5,540,800,000	$ 5,479,500,000
Less: current installments of long-term debt and revolving credit facilities	(138,800,000)	(38,900,000)
Total long-term debt and capital lease obligations	5,402,000,000	5,440,600,000
Senior Notes
Debt Instrument [Line Items]
Unamortized discount (premium) and debt issuance costs, net	$ 32,800,000	$ 35,500,000
Weighted average interest rate	6.50%	6.50%
Senior Notes | USD Senior Notes, due 2022
Debt Instrument [Line Items]
Stated interest rate	6.50%
Total debt and capital lease obligations	$ 1,087,600,000	$ 1,086,100,000
Debt face amount	$ 1,100,000,000.0
Senior Notes | EUR Senior Notes, due 2023
Debt Instrument [Line Items]
Stated interest rate	6.00%
Total debt and capital lease obligations	$ 404,500,000	415,100,000
Senior Notes | USD Senior Notes, Due 2025
Debt Instrument [Line Items]
Stated interest rate	5.875%
Total debt and capital lease obligations	$ 784,000,000	783,200,000
Domestic Line of Credit | First Lien Credit Facility - U.S. Dollar Term Loans, due 2020
Debt Instrument [Line Items]
Stated interest rate	3.50%
Total debt and capital lease obligations	$ 622,300,000	620,400,000
Domestic Line of Credit | First Lien Credit Facility - U.S. Dollar Term Loans, due 2020 | LIBOR
Debt Instrument [Line Items]
Spread on variable rate (as a percent)	2.50%
Domestic Line of Credit | First Lien Credit Facility - U.S. Dollar Term Loans, due 2021, 4.00% or LIBOR Plus 3.00%
Debt Instrument [Line Items]
Stated interest rate	4.00%
Total debt and capital lease obligations	$ 1,122,900,000	1,121,200,000
Domestic Line of Credit | First Lien Credit Facility - U.S. Dollar Term Loans, due 2021, 4.00% or LIBOR Plus 3.00% | LIBOR
Debt Instrument [Line Items]
Spread on variable rate (as a percent)	3.00%
Foreign Line of Credit | First Lien Credit Facility - EURO Term Loans, due 2020
Debt Instrument [Line Items]
Stated interest rate	3.25%
Total debt and capital lease obligations	$ 677,400,000	694,300,000
Foreign Line of Credit | First Lien Credit Facility - EURO Term Loans, due 2020 | EURIBOR
Debt Instrument [Line Items]
Spread on variable rate (as a percent)	2.50%
Foreign Line of Credit | First Lien Credit Facility - EURO Term Loans, due 2021, 3.5% or EURIBOR Plus 2.75%
Debt Instrument [Line Items]
Stated interest rate	3.50%
Total debt and capital lease obligations	$ 697,700,000	716,000,000
Foreign Line of Credit | First Lien Credit Facility - EURO Term Loans, due 2021, 3.5% or EURIBOR Plus 2.75% | EURIBOR
Debt Instrument [Line Items]
Spread on variable rate (as a percent)	2.75%
Line of Credit
Debt Instrument [Line Items]
Total debt and capital lease obligations	$ 66,200,000	$ 28,500,000
Weighted average interest rate	3.90%	3.50%
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Total debt and capital lease obligations	$ 60,000,000	$ 0
Line of Credit | Revolving Credit Facility | LIBOR
Debt Instrument [Line Items]
Spread on variable rate (as a percent)	3.00%
Line of Credit | First Lien Credit Facility Term Loans
Debt Instrument [Line Items]
Unamortized discount (premium) and debt issuance costs, net	$ 27,900,000	$ 33,300,000
Weighted average interest rate	4.60%	4.50%
Other
Debt Instrument [Line Items]
Total debt and capital lease obligations	$ 18,200,000	$ 14,700,000