Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Loss (Details)

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Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Noncontrolling interest $ 1,517.9 $ 1,550.0 $ 1,588.0 $ 1,467.2
Cumulative foreign currency translation adjustment, net of tax        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Noncontrolling interest (67.0) (52.4)    
Unrealized gain on pension and postretirement benefit plans, net of tax        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Noncontrolling interest 2.0 2.0    
Unrealized loss on net investment hedges, net of tax        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Noncontrolling interest (13.1) (17.9)    
Unrealized gain on cash flow hedges, net of tax        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Noncontrolling interest 0.7 0.1    
Less: cumulative loss attributable to noncontrolling interests        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Noncontrolling interest (3.2) (2.9)    
Accumulated Other Comprehensive (Loss) Income        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Noncontrolling interest $ (74.2) $ (65.3) $ (67.7) $ (75.7)