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
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Noncontrolling interest $ 1,564.1 $ 1,517.9 $ 1,550.0 $ 1,564.5 $ 1,588.0 $ 1,467.2
Cumulative foreign currency translation adjustment, net of tax            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Noncontrolling interest (74.2)   (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 (11.5)   (17.9)      
Unrealized loss on net investment hedges, net of tax            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Noncontrolling interest 0.8   0.1      
Less: cumulative loss attributable to noncontrolling interests            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Noncontrolling interest (3.4)   (2.9)      
Accumulated Other Comprehensive (Loss) Income            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Noncontrolling interest $ (79.5) $ (74.2) $ (65.3) $ (68.3) $ (67.7) $ (75.7)