Financial Instruments and Fair Value Measurement - Fair value of derivatives (Details) - Derivative Contracts Designated as Hedging Instruments - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 0.6	$ 0.0
Derivative Liabilities	10.4	11.5
Interest Rate Swap Agreements
Derivatives, Fair Value [Line Items]
Derivative Assets	0.0	0.0
Derivative Liabilities	9.9	6.6
Foreign currency contracts
Derivatives, Fair Value [Line Items]
Derivative Assets	0.6	0.0
Derivative Liabilities	0.1	1.5
Commodity contracts
Derivatives, Fair Value [Line Items]
Derivative Assets	0.0	0.0
Derivative Liabilities	0.4	3.4
Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	0.6
Other Current Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	7.2	8.5
Other Noncurrent Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	$ 3.2	$ 3.0