v3.26.1
Income Taxes - Income Taxes Reconciliation (Details) - USD ($)
12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2024
Income Taxes      
U.S. federal statutory income tax rate (as a percent) 21.00% 21.00% 21.00%
Effective Income Tax Rate from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest $ (64,181,000) $ 8,329,000 $ 12,927,000
State income taxes, net of federal benefit (as a percent) 1.50% (2.50%) 0.90%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount $ (4,558,000) $ (987,000) $ 569,000
Foreign-derived intangible income (as a percent)   (19.70%) (16.00%)
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount   $ (7,830,000) $ (9,831,000)
Research and development credits 2.70% (13.30%) (7.80%)
Effective Income Tax Rate Reconciliation, Tax Credit and Research, Amount $ (8,290,000) $ (5,263,000) $ (4,831,000)
Limit on executive compensation (as a percent) (1.90%) 6.70% 2.70%
Effective Income Tax Rate Reconciliation Limit on Executive Compensation, Amount $ 5,958,000 $ 2,646,000 $ 1,687,000
Excess benefit relating to stock-based compensation (as a percent) 1.60% (7.60%) (0.60%)
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount $ (5,040,000) $ (2,997,000) $ (389,000)
Acquisition related costs (as a percent) (1.10%)    
Effective Income Tax Rate Reconciliation Acquisition Related Costs, Amount $ 3,426,000    
Changes in unrecognized tax benefit (as a percent) (0.80%) 1.20% (0.60%)
Effective Income Tax Rate Reconciliation Uncertain Tax Position Adjustment, Amount $ 2,321,000 $ 459,000 $ (370,000)
Statutory tax rate different from US 0.20% (6.60%) (0.50%)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount $ (719,000) $ (2,603,000) $ (293,000)
Effective income tax rate (as a percent) 7.50% 2.20% 3.00%
Income Tax Expense (Benefit) $ (23,059,000) $ 882,000 $ 1,891,000
Current:      
Federal (349,000) 21,901,000 20,990,000
State 3,896,000 (320,000) 1,511,000
Foreign 523,000   (76,000)
Current 4,070,000 21,581,000 22,425,000
Deferred:      
Federal (19,494,000) (19,301,000) (18,844,000)
State (7,635,000) (734,000) (625,000)
Foreign   (664,000) (1,065,000)
Deferred (27,129,000) (20,699,000) (20,534,000)
Total income tax expense (benefit) (23,059,000) 882,000 $ 1,891,000
Deferred income tax assets:      
Accrued expenses 6,435,000 2,367,000  
Stock based compensation 5,467,000 3,728,000  
Allowances, reserves, and other 564,000    
Unrealized loss on securities 1,704,000 3,787,000  
Net operating loss and credit carry-forwards 75,001,000 21,620,000  
163(J) disallowed interest expense carry-forward 28,083,000    
Acquisition related costs 6,263,000 4,299,000  
Capitalized research and development costs 59,288,000 57,266,000  
Reserve for inventory excess and obsolescence 8,257,000 6,306,000  
Lease liability 30,436,000 8,226,000  
Total deferred income tax assets 221,498,000 107,599,000  
Deferred income tax liabilities:      
Fixed asset basis (22,416,000) (3,160,000)  
Allowances, reserves, and other (5,517,000) (1,895,000)  
Outside basis difference (38,000) (38,000)  
Right-of-use asset (28,749,000) (7,645,000)  
Intangibles basis (185,053,000) (6,631,000)  
Total deferred income tax liabilities (241,773,000) (19,369,000)  
Valuation allowance (30,219,000) (26,770,000)  
Net deferred tax assets   $ 61,460,000  
Net deferred tax liabilities $ (50,494,000)    
US      
Income Taxes      
Changes in valuation allowance (as a percent) 0.90% 0.20% 1.60%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount $ (2,665,000) $ 84,000 $ 931,000
Goodwill impairment (as a percent) (14.50%)    
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount $ 44,438,000    
Other Adjustments (as a percent) (1.50%) 3.80% 0.80%
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount $ 4,185,000 $ 1,515,000 $ 536,000
Foreign tax jurisdiction      
Income Taxes      
Changes in valuation allowance (as a percent) (0.50%) 5.60%  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount $ 1,653,000 $ 2,213,000  
Goodwill impairment (as a percent)   13.80%  
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount   $ 5,477,000  
Other Adjustments (as a percent) (0.10%) (0.40%) 1.50%
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount $ 413,000 $ (161,000) $ 955,000