Revenue Recognition - Contract Balances - Performance Obligations (Details) $ in Millions	6 Months Ended
	Sep. 30, 2024 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Practical expedient to disclose only the value of unsatisfied performance obligations for contracts with an original expected length greater than one year	true
Practical expedient to expense costs as incurred for costs to obtain a contract when the amortization period would have been one year or less	true
FPP agreements
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 3.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 \| FPP agreements
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 3.2
Remaining performance obligation, expected timing of satisfaction, period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01 \| FPP agreements
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 0.6
Remaining performance obligation, expected timing of satisfaction, period