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Allowance for Doubtful Accounts
 12 Months Ended
Dec. 31, 2024
Credit Loss [Abstract]  
Credit Loss, Financial Instrument Allowance for Doubtful Accounts
The following table summarizes changes in the valuation of the allowance for doubtful accounts for each balance sheet period presented (in millions):
Year Ended December 31,
20242023
Beginning balance$15.0 $17.2 
Charged to operations12.8 7.6 
Write-offs(10.2)(9.8)
Ending balance$17.6 $15.0