v3.25.3
Fee Revenue - Additional Information (Details)
$ in Millions
 6 Months Ended
Oct. 31, 2025
USD ($)
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Contract liabilities, revenue recognized $ 164.0
Revenue recognized, remaining performance obligation 1,291.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-11-01  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Revenue recognized, remaining performance obligation $ 333.8
Revenue, remaining performance obligation, expected timing of satisfaction, period 6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2026-05-01  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Revenue recognized, remaining performance obligation $ 496.1
Revenue, remaining performance obligation, expected timing of satisfaction, period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2027-05-01  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Revenue recognized, remaining performance obligation $ 269.6
Revenue, remaining performance obligation, expected timing of satisfaction, period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2028-05-01  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Revenue recognized, remaining performance obligation $ 191.5
Revenue, remaining performance obligation, expected timing of satisfaction, period