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)

v3.24.0.1
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, 2023
Dec. 31, 2022
Dec. 31, 2021
Derivatives Qualifying as Hedges, before Tax [Roll Forward]      
Net Amount Recognized Into Earnings, Pretax $ (13.6) $ (27.1) $ 4.2
Derivatives Qualifying as Hedges, Net of Tax [Roll Forward]      
Beginning Balance, After-Tax 36.0    
Net Change in Value of Outstanding Hedges, After-Tax [1] (3.3) 46.1 22.2
Net Amount Recognized Into Earnings, After-Tax [2] (9.6) (20.0) 2.9
Ending Balance, After-Tax 23.1 36.0  
Cash Flow Hedging [Member]      
Derivatives Qualifying as Hedges, before Tax [Roll Forward]      
Beginning Balance, Pretax 56.5 21.6  
Net Change in Value of Outstanding Hedges, Pretax (3.9) 62.0  
Net Amount Recognized Into Earnings, Pretax (13.6) (27.1)  
Ending Balance, Pretax 39.0 56.5 21.6
Derivatives Qualifying as Hedges, Net of Tax [Roll Forward]      
Beginning Balance, After-Tax 36.0 9.9  
Net Change in Value of Outstanding Hedges, After-Tax (3.3) 46.1  
Net Amount Recognized Into Earnings, After-Tax (9.6) (20.0)  
Ending Balance, After-Tax $ 23.1 $ 36.0 $ 9.9
[1] The tax effects for the year ended December 31, 2023 were $(2.3) million for foreign currency translation, $1.3 million for net actuarial gains arising during the period and $0.6 million for derivatives. The tax effects for the year ended December 31, 2022 were $5.9 million for foreign currency translation, $(4.2) million for net actuarial gains arising during the period and $(15.9) million for derivatives. The tax effects for the year ended December 31, 2021 were $(1.7) million for foreign currency translation, $(1.5) million for net actuarial losses arising during the period and $(7.4) million for derivatives.
[2] See Note 17 – Comprehensive Income (Loss) for the tax effects for the years ended December 31, 2023, December 31, 2022 and December 31, 2021.