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Debt, Interest Income, Expense and Other Finance Costs - Schedule of Debt (Details) € in Millions, $ in Millions	Jun. 30, 2020 USD ($)	Jun. 30, 2020 EUR (€)	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent	us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent	us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtAndCapitalLeaseObligations	us-gaap:LongTermDebtAndCapitalLeaseObligations	us-gaap:LongTermDebtAndCapitalLeaseObligations
Finance Leases	$ 17.7		$ 18.7
Total debt	1,097.2		628.8
Current maturities of long-term debt	53.8		54.1
Long-term debt	1,043.3		574.7
Other Debt
Debt Instrument [Line Items]
Long-term debt	40.0		39.5
Term Loans | Term Loans
Debt Instrument [Line Items]
Long-term debt	509.5		515.6
Secured Debt
Debt Instrument [Line Items]
Long-term debt	37.7	€ 33.6
Credit Facility | Credit Facility
Debt Instrument [Line Items]
Long-term debt	$ 530.0		$ 55.0

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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