Financial Instruments and Fair Value Measurement - Fair value of derivatives (Details) - Derivative Contracts Designated as Hedging Instruments - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 1.1	$ 0.0
Derivative Liabilities	14.0	11.5
Interest Rate Swap Agreements
Derivatives, Fair Value [Line Items]
Derivative Assets	0.0	0.0
Derivative Liabilities	11.1	6.6
Foreign currency contracts
Derivatives, Fair Value [Line Items]
Derivative Assets	1.1	0.0
Derivative Liabilities	0.0	1.5
Commodity contracts
Derivatives, Fair Value [Line Items]
Derivative Assets	0.0	0.0
Derivative Liabilities	2.9	3.4
Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	1.1
Other Current Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	9.7	8.5
Other Noncurrent Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	$ 4.3	$ 3.0