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Debt (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016
Debt Instrument [Line Items]
Short-term borrowings	$ 175.7	$ 162.8
Long-term debt
Capital Leases	23.0		$ 12.7
Total long-term debt	399.4	280.4
Total Debt	575.1	443.2
Long-term Debt by Current and Noncurrent [Abstract]
Current liabilities	212.3	195.6
Noncurrent liabilities	362.8	247.6
Revolving Facility
Long-term debt
Debt	164.5	55.8
Private Placement Notes
Long-term debt
Debt	78.5	85.6
Unamortized debt costs	0.1	0.1
Term Loan
Long-term debt
Term Loan	63.1	65.6
Unamortized debt costs	0.1	0.2
Multi-currency revolving facility
Long-term debt
Debt	4.1	3.6
Other Non-US Dollar-denominated Facilities
Long-term debt
Debt	10.2	2.8
Capital leases
Long-term debt
Capital Leases	79.0	67.0
Uncommitted credit facilities
Debt Instrument [Line Items]
Short-term borrowings	124.0	108.3
Restricted Cash Borrowings
Debt Instrument [Line Items]
Short-term borrowings	26.1	22.3
Other
Debt Instrument [Line Items]
Short-term borrowings	$ 25.6	$ 32.2