Financial Instruments and Fair Value Measurement - Effect of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Accumulated Other Comprehensive Loss	$ (4.2)	$ 7.6	$ (5.1)	$ 7.6
Amount of (Gain) Loss Recognized in Statement of Operations	(0.5)	0.0	(3.1)	(0.5)
Commodity Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Accumulated Other Comprehensive Loss	(4.8)	3.6	(8.4)	2.7
Foreign Currency Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Accumulated Other Comprehensive Loss	0.2	0.2	(2.6)	(0.9)
Interest Rate Swap Agreements
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Accumulated Other Comprehensive Loss	0.4	3.8	5.9	5.8
Cost of Sales | Commodity Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Statement of Operations	(2.3)	(0.1)	(5.4)	0.1
Other (Income) Expense, Net | Foreign Currency Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Statement of Operations	(0.2)	0.0	(0.6)	(0.7)
Foreign Currency Contracts	(5.9)	1.5	(0.4)	1.4
Interest Expense, Net | Interest Rate Swap Agreements
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Statement of Operations	$ 2.0	$ 0.1	$ 2.9	$ 0.1