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Basis of Presentation and Accounting Policies - Summary of Rollforward of Allowance for Doubtful Accounts (Details)
$ in Millions
9 Months Ended
Sep. 30, 2020
USD ($)
Accounting Policies [Abstract]  
Balance, December 31, 2019 $ 113.5
Provisions charged to earnings 17.8
Write-offs (12.7)
Translation adjustments 3.5
Reclassifications and other 3.2
Balance, September 30, 2020 $ 125.3