Financial Instruments - Schedule of Fair Value Measurements (Details) - Recurring - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Asset Category
Total	$ 19.9	$ 10.3
Liability Category
Total	27.8	59.5
Other current assets | Level 2 | Foreign exchange and metals contracts not designated as hedging instruments | Not Designated as Hedging Instrument
Asset Category
Derivatives	1.2	0.9
Other current assets | Level 2 | Interest rate swaps designated as cash flow hedging instruments | Designated as Hedging Instrument
Asset Category
Derivatives	0.0	6.5
Other current assets | Level 2 | Cross currency swaps designated as net investment hedge | Designated as Hedging Instrument
Liability Category
Derivatives	18.4	0.0
Other assets | Level 2 | Designated as Hedging Instrument
Asset Category
Derivatives	0.0	2.6
Other assets | Level 1
Asset Category
Available for sale equity securities	0.3	0.3
Accrued expenses and other liabilities | Level 2 | Foreign exchange and metals contracts not designated as hedging instruments | Not Designated as Hedging Instrument
Liability Category
Derivatives	0.9	1.2
Accrued expenses and other liabilities | Level 2 | Interest rate swaps designated as cash flow hedging instruments | Designated as Hedging Instrument
Liability Category
Derivatives	6.9	0.6
Other liabilities | Level 2 | Interest rate swaps designated as cash flow hedging instruments | Designated as Hedging Instrument
Liability Category
Derivatives	19.7	0.3
Other liabilities | Level 2 | Cross currency swaps designated as net investment hedge | Designated as Hedging Instrument
Liability Category
Derivatives	0.3	0.0
Contingent consideration | Level 3
Liability Category
Long-term contingent consideration	$ 0.0	$ 57.4