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Stock-Based Compensation (Narrative) (Details)
9 Months Ended
Jan. 31, 2024
shares
Service-based RSUs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period, years 1 year
Common stock issuable per RSU granted (shares) 1
Performance-based RSUs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period, years 3 years
Common stock issuable per RSU granted (shares) 1
RSUs | Employees  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period, years 3 years
Employee Stock Option  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period, years 3 years
Contractual term (in years) 10 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