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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Apr. 30, 2023
Income Tax Disclosure [Abstract]      
Income tax expense $ 897 $ 379  
Effective income tax rate 26.30% (111.50%)  
Deferred tax liability, global tax exposure for unremitted earnings of international subsidiaries $ 1,363   $ 1,318