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Goodwill and Other Intangible Assets - Schedule of Finite-Lived Assets (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Mar. 31, 2023
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 47.3 $ 47.9
Accumulated Amortization (16.5) (12.4)
Net Carrying Amount 30.8 35.5
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 47.3 47.9
Accumulated Amortization (16.5) (12.4)
Net Carrying Amount $ 30.8 $ 35.5