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Goodwill and Intangible Assets - Goodwill Rollforward (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Goodwill [Roll Forward]    
Goodwill, beginning of the period $ 906.5 $ 775.4
Accumulated impairment losses, beginning of the period (675.0) (674.9)
Goodwill, net, beginning of the period 231.5 100.5
Additions 189.5 131.1
Currency translation (2.3) (0.1)
Goodwill, end of the period 1,087.6 906.5
Accumulated impairment losses, end of the period (668.9) (675.0)
Goodwill, net, end of the period $ 418.7 $ 231.5