Accounts Receivable, Deferred Revenue and Performance Obligations - Performance Obligation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue from performance obligations satisfied in prior periods	$ 7.9	$ 9.7	$ 9.8	$ 7.9
Revenue, remaining performance obligation, amount	$ 602.3	$ 597.2	$ 602.3	$ 597.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage	95.00%		95.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	24 months		24 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage	3.00%		3.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period