Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Assets and Liabilities Measured at Fair Value (Details)

v3.19.1
Financial Instruments - Assets and Liabilities Measured at Fair Value (Details) - Recurring - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Asset Category    
Total $ 20.0 $ 10.3
Liability Category    
Total 47.3 59.5
Other current assets | Level 2 | Foreign exchange and metals contracts not designated as hedging instruments | Not Designated as Hedging Instrument    
Asset Category    
Derivative asset 1.2 0.9
Other current assets | Level 2 | Interest rate swaps designated as cash flow hedging instruments | Designated as Hedging Instrument    
Asset Category    
Derivative asset 0.0 6.5
Other current assets | Level 2 | Cross currency | Designated as Hedging Instrument    
Asset Category    
Derivative asset 18.5 0.0
Other assets | Level 2 | Designated as Hedging Instrument    
Asset Category    
Derivative asset 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 1.1 0.6
Other liabilities | Level 2 | Interest rate swaps designated as cash flow hedging instruments | Designated as Hedging Instrument    
Liability Category    
Derivatives 10.4 0.3
Other liabilities | Level 2 | Cross currency | Designated as Hedging Instrument    
Liability Category    
Derivatives 15.1 0.0
Other liabilities | Level 3    
Liability Category    
Long-term contingent consideration $ 19.8 $ 57.4