Financial Instruments, Hedging Activities and Fair Value Measurements - Schedule of Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Other Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in equity securities	$ 0.7	$ 0.6
Long-term Debt [Member] | 2024 Dollar Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	489.0	520.2
Long-term Debt [Member] | 2024 Euro Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	337.9	388.2
Long-term Debt [Member] | 2025 Euro Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	455.5	520.7
Long-term Debt [Member] | 2024 Dollar Term Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans payable, fair value	1,717.2	2,396.5
Currency Swap [Member] | Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	14.5	14.4
Currency Swap [Member] | Other Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	26.7	8.0
Forward Contracts [Member] | Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0.0	0.0
Interest Rate Cap [Member] | Accrued Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	2.0	1.3
Interest Rate Cap [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	1.5	1.2
Interest Rate Swap [Member] | Accrued Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	22.5	8.9
Interest Rate Swap [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	46.8	20.5
Fair Value, Inputs, Level 1 [Member] | Other Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in equity securities	0.7	0.6
Fair Value, Inputs, Level 1 [Member] | Long-term Debt [Member] | 2024 Dollar Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Long-term Debt [Member] | 2024 Euro Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Long-term Debt [Member] | 2025 Euro Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Long-term Debt [Member] | 2024 Dollar Term Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans payable, fair value	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Currency Swap [Member] | Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Currency Swap [Member] | Other Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Forward Contracts [Member] | Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Cap [Member] | Accrued Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Cap [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member] | Accrued Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Fair Value, Inputs, Level 2 [Member] | Other Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in equity securities	0.0	0.0
Fair Value, Inputs, Level 2 [Member] | Long-term Debt [Member] | 2024 Dollar Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	489.0	520.2
Fair Value, Inputs, Level 2 [Member] | Long-term Debt [Member] | 2024 Euro Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	337.9	388.2
Fair Value, Inputs, Level 2 [Member] | Long-term Debt [Member] | 2025 Euro Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	455.5	520.7
Fair Value, Inputs, Level 2 [Member] | Long-term Debt [Member] | 2024 Dollar Term Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans payable, fair value	1,717.2	2,396.5
Fair Value, Inputs, Level 2 [Member] | Currency Swap [Member] | Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	14.5	14.4
Fair Value, Inputs, Level 2 [Member] | Currency Swap [Member] | Other Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	26.7	8.0
Fair Value, Inputs, Level 2 [Member] | Forward Contracts [Member] | Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0.0	0.0
Fair Value, Inputs, Level 2 [Member] | Interest Rate Cap [Member] | Accrued Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	2.0	1.3
Fair Value, Inputs, Level 2 [Member] | Interest Rate Cap [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	1.5	1.2
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] | Accrued Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	22.5	8.9
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	46.8	20.5
Fair Value, Inputs, Level 3 [Member] | Other Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in equity securities	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Long-term Debt [Member] | 2024 Dollar Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Long-term Debt [Member] | 2024 Euro Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Long-term Debt [Member] | 2025 Euro Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, fair value	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Long-term Debt [Member] | 2024 Dollar Term Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans payable, fair value	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Currency Swap [Member] | Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Currency Swap [Member] | Other Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Forward Contracts [Member] | Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Interest Rate Cap [Member] | Accrued Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Interest Rate Cap [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member] | Accrued Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	$ 0.0	$ 0.0