Commitments and Contingencies (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Sep. 30, 2023	Mar. 31, 2023
Other Commitments [Line Items]
Sales tax exposure		$ 7.8
Payments of sales tax related to prior periods	$ 0.7
Reversal of sales tax reserve during the period	(0.3)
Accrued sales tax	6.8
Accrued Expenses and Other Current Liabilities
Other Commitments [Line Items]
Accrued sales tax	3.0	4.0
Other Long-Term Liabilities
Other Commitments [Line Items]
Accrued sales tax	$ 3.8	$ 3.8