Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Notes and other indebtedness [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 620.8	$ 508.2
Less current portion of debt	83.7	208.5
Long-term debt	537.1	299.7
Accounts receivable securitization program
Notes and other indebtedness [Line Items]
Total	14.9	103.2
Revolving credit facilities
Notes and other indebtedness [Line Items]
Total	0.0	75.0
Senior notes
Notes and other indebtedness [Line Items]
Total	575.0	330.0
Other indebtedness, net of unamortized debt issuance costs
Notes and other indebtedness [Line Items]
Total	$ 30.9	$ 0.0