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Income Taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 30, 2023
Apr. 30, 2022
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Beginning balance $ 10,259 $ 9,316
Additions based on tax positions related to current year 2,867 2,953
Reductions due to lapse of applicable statute of limitations (2,169) (2,010)
Ending balance $ 10,957 $ 10,259