Accounts Receivable, Unbilled Services and Deferred Revenue - Schedule of Allowances for Doubtful Accounts and Estimated Credit Losses (Details) $ in Thousands	3 Months Ended
	Jul. 31, 2026 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 1,057
Plus: Provision for credit losses and doubtful accounts	0
Less: Reversal of provision for credit losses and doubtful accounts, net	(10)
Less: Reversal for amounts subsequently collected	0
Less: Write offs	0
Ending balance	$ 1,047