Annual report pursuant to Section 13 and 15(d)

Financial Instruments Financial Instruments, Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) (Details)

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Financial Instruments Financial Instruments, Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Derivatives Qualifying as Hedges, before Tax [Roll Forward]      
Net Amount Recognized Into Earnings, Pretax $ 3.4 $ 2.0 $ (2.2)
Derivatives Qualifying as Hedges, Net of Tax [Roll Forward]      
Beginning Balance, After-Tax (11.8)    
Net Change in Value of Outstanding Hedges, After-Tax [1] 7.3 (7.5) 2.1
Net Amount Recognized Into Earnings, After-Tax [2] 2.6 1.3 (1.8)
Ending Balance, After-Tax (1.9) (11.8)  
Cash Flow Hedging [Member]      
Derivatives Qualifying as Hedges, before Tax [Roll Forward]      
Beginning Balance, Pretax (7.8) 1.1  
Net Change in Value of Outstanding Hedges, Pretax 10.6 (10.9)  
Net Amount Recognized Into Earnings, Pretax 3.4 2.0  
Ending Balance, Pretax 6.2 (7.8) 1.1
Derivatives Qualifying as Hedges, Net of Tax [Roll Forward]      
Beginning Balance, After-Tax (11.8) (5.6)  
Net Change in Value of Outstanding Hedges, After-Tax 7.3 (7.5)  
Net Amount Recognized Into Earnings, After-Tax 2.6 1.3  
Ending Balance, After-Tax $ (1.9) $ (11.8) $ (5.6)
[1] The tax effects for the year ended December 31, 2018 were $1.5 million for foreign currency translation, $1.2 million for net actuarial losses arising during the period and $(3.3) million for derivatives. The tax effects for the year ended December 31, 2017 were $(4.1) million for foreign currency translation, $5.4 million for net actuarial losses arising during the period and $3.4 million for derivatives. The tax effects for the year ended December 31, 2016 were $(7.9) million for foreign currency translation, $5.4 million for net actuarial losses arising during the period and $(0.8) million for derivatives.
[2] See Note 20 – Comprehensive Income (Loss) for the tax effects for the years ended December 31, 2018, December 31, 2017 and December 31, 2016.