Stock-Based Compensation (Narrative) (Details)	3 Months Ended
Jul. 31, 2023 shares
Employee Performance-Based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awarded in period (shares)	124,282
Common stock issuable per RSU granted (shares)	1
Employee Service-Based RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awarded in period (shares)	66,968
RSUs \| Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	3 years
Employee Performance-Based RSTUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units non vested grants (shares)	12,199
Employee Service-Based RSTUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units non vested grants (shares)	6,571
RSTUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	3 years
Share-Based Payment Arrangement, Tranche One \| RSUs \| Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	1 year
Vesting rights, percentage	33.33%
Share-Based Payment Arrangement, Tranche One \| Employee Service-Based RSTUs \| Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	1 year
Vesting rights, percentage	33.33%
Share-Based Payment Arrangement, Tranche Two \| RSUs \| Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	2 years
Vesting rights, percentage	33.33%
Share-Based Payment Arrangement, Tranche Two \| Employee Service-Based RSTUs \| Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	2 years
Share-Based Payment Arrangement, Tranche Three \| RSUs \| Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	3 years
Vesting rights, percentage	33.33%
Share-Based Payment Arrangement, Tranche Three \| Employee Service-Based RSTUs \| Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	3 years

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Share-based Goods and Nonemployee Services Transaction, Shares Issuable Per Restricted Stock Unit Granted

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