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Financial Instruments - Assets and Liabilities Measured at Fair Value (Details) - Recurring - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Asset Category |  |
Total | $ 49.2 | $ 19.9
Liability Category |  |
Total | 61.0 | 27.8
Level 2 | Other current assets | Foreign exchange and metals contracts not designated as hedging instruments | Not Designated as Hedging Instrument |  |
Asset Category |  |
Derivative asset | 1.4 | 1.2
Level 2 | Other current assets | Cross currency swaps designated as net investment hedge | Designated as Hedging Instrument |  |
Asset Category |  |
Derivative asset | 18.5 | 18.4
Level 2 | Other assets | Cross currency swaps designated as net investment hedge | Designated as Hedging Instrument |  |
Asset Category |  |
Derivative asset | 29.3 | 0.0
Level 2 | Accrued expenses and other current liabilities | Foreign exchange and metals contracts not designated as hedging instruments | Not Designated as Hedging Instrument |  |
Liability Category |  |
Derivative liability | 2.3 | 0.9
Level 2 | Accrued expenses and other current liabilities | Interest rate swaps designated as cash flow hedging instruments | Designated as Hedging Instrument |  |
Liability Category |  |
Derivative liability | 17.5 | 6.9
Level 2 | Other liabilities | Cross currency swaps designated as net investment hedge | Designated as Hedging Instrument |  |
Liability Category |  |
Derivative liability | 0.0 | 0.3
Level 2 | Other liabilities | Interest rate swaps designated as cash flow hedging instruments | Designated as Hedging Instrument |  |
Liability Category |  |
Derivative liability | 41.2 | 19.7
Level 1 | Other assets |  |
Asset Category |  |
Available for sale equity securities | $ 0.0 | $ 0.3

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