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Basis of Presentation (Details)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2024
USD ($)
segment
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Number of reportable segments | segment 2    
Increase in cost of services (exclusive of depreciation and amortization) $ 224.1 $ 207.8  
Decrease to selling and administrative expenses $ (176.4) (175.1)  
Revision of Prior Period, Reclassification, Adjustment      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Increase in cost of services (exclusive of depreciation and amortization)   11.9 $ 30.8
Decrease to selling and administrative expenses   $ 11.9 $ 30.8