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Revenue - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Revenue from Contract with Customer [Abstract]      
Revenue, amount of remaining performance obligation $ 8,700.0 $ 7,900.0  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Contract with customer, liability, revenue recognized 17.2 24.4 $ 14.9
Provision (benefit) for credit losses $ (0.3) $ (2.0) $ (1.5)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Remaining performance obligation (as per percent) 70.00%    
Remaining performance obligation, expected timing, period 12 months    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Remaining performance obligation (as per percent) 80.00%    
Remaining performance obligation, expected timing, period 24 months