v3.26.1
Intangible Assets - Changes in Carrying Amount (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2026
USD ($)
Intangible Asset, Finite-Lived [Roll Forward]  
Gross, Beginning Balance $ 5,814.8
Gross, Ending Balance 6,419.1
Accumulated Amortization, Beginning Balance (2,716.3)
Accumulated Amortization, Ending Balance (2,898.8)
Net, Beginning Balance 3,098.5
Net, Ending Balance 3,520.4
Business acquisitions  
Intangible Asset, Finite-Lived [Roll Forward]  
Gross, period increase (decrease) 590.1
Accumulated Amortization, period increase (decrease) 0.0
Net, period increase (decrease) 590.1
Developed internal use software  
Intangible Asset, Finite-Lived [Roll Forward]  
Gross, period increase (decrease) 100.0
Accumulated Amortization, period increase (decrease) 0.0
Net, period increase (decrease) 100.0
Amortization  
Intangible Asset, Finite-Lived [Roll Forward]  
Gross, period increase (decrease) 0.0
Accumulated Amortization, period increase (decrease) (257.2)
Net, period increase (decrease) (257.2)
Disposals and retirements  
Intangible Asset, Finite-Lived [Roll Forward]  
Gross, period increase (decrease) (70.3)
Accumulated Amortization, period increase (decrease) 69.6
Net, period increase (decrease) (0.7)
Foreign exchange rate adjustment  
Intangible Asset, Finite-Lived [Roll Forward]  
Gross, period increase (decrease) (15.3)
Accumulated Amortization, period increase (decrease) 5.1
Net, period increase (decrease) $ (10.2)