Financial Instruments and Fair Value Measurement - Fair value of derivatives (Details) - Derivatives designated as hedging instruments: - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 5.8	$ 0.0
Derivative Liabilities	8.1	11.5
Interest Rate Swap Agreements
Derivatives, Fair Value [Line Items]
Derivative Assets	0.0	0.0
Derivative Liabilities	7.6	6.6
Foreign currency contracts
Derivatives, Fair Value [Line Items]
Derivative Assets	0.1	0.0
Derivative Liabilities	0.5	1.5
Commodity contracts
Derivatives, Fair Value [Line Items]
Derivative Assets	5.7	0.0
Derivative Liabilities	0.0	3.4
Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	5.8
Other Current Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	6.2	8.5
Other Noncurrent Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	$ 1.9	$ 3.0