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Long-term Debt and Other Credit Arrangements - Additional Information (Detail)
 3 Months Ended 12 Months Ended
Dec. 04, 2025
USD ($)
installment
Nov. 01, 2024
USD ($)
installment
Sep. 30, 2024
USD ($)
Dec. 19, 2022
USD ($)
Oct. 31, 2025
USD ($)
Apr. 30, 2026
USD ($)
Apr. 30, 2025
USD ($)
Debt Instrument [Line Items]              
Debt issuance costs, net           $ 400,000 $ 800,000
Total current portion of long-term debt           5,000,000 3,000,000
Interest Payable         $ 0    
Payment For Debt, Paid In Kind         1,840,000    
Short-term borrowings           74,000 986,000
International Subsidiaries              
Debt Instrument [Line Items]              
Short-term borrowings           74,000 986,000
Term Loan | Line of Credit              
Debt Instrument [Line Items]              
Total current portion of long-term debt           3,000,000 3,000,000
Debt instrument, covenant, senior funded indebtedness To EBITDA, maximum   2.50          
Debt instrument, covenant, senior funded indebtedness To EBITDA, minimum   1.20          
Seller Notes | Secured Debt              
Debt Instrument [Line Items]              
Debt instrument, face amount   $ 23,000,000.0          
Debt instrument, interest rate, stated percentage   8.00%          
Interest Payable $ 173,000       $ 905,000   935,000
Payment for debt extinguishment or debt prepayment cost $ 300,000            
First Amendment Term Loan | Line of Credit              
Debt Instrument [Line Items]              
Total current portion of long-term debt           2,000,000 $ 0
Revolving Credit Facility | Term Loan | Line of Credit              
Debt Instrument [Line Items]              
Loan agreement   $ 20,000,000.0          
Additional tranche available, minimum amount   $ 10,000,000.0          
Credit facility outstanding           0  
Unused and available credit facility           $ 20,000,000  
Revolving Credit Facility | Term Loan | Line of Credit | Minimum              
Debt Instrument [Line Items]              
Commitment fee percentage   0.15%          
Revolving Credit Facility | Term Loan | Line of Credit | Maximum              
Debt Instrument [Line Items]              
Commitment fee percentage   0.25%          
Revolving Credit Facility | Credit Agreement, Mid Cap Funding IV Trust | Line of Credit              
Debt Instrument [Line Items]              
Loan agreement       $ 15,000,000.0      
Credit facility outstanding     $ 3,000,000.0        
Debt, variable interest rate       4.10%      
Payment for debt extinguishment or debt prepayment cost     $ 500,000        
Revolving Credit Facility | First Amendment Term Loan | Line of Credit              
Debt Instrument [Line Items]              
Additional tranche available, minimum amount   $ 10,000,000.0          
Secured Debt | Term Loan | Line of Credit              
Debt Instrument [Line Items]              
Debt instrument, face amount   $ 15,000,000.0          
Number of monthly installments | installment   60          
Interest rate at period end           5.27% 5.96%
Interest Expense, Debt           $ 904,000 $ 486,000
Secured Debt | First Amendment Term Loan | Line of Credit              
Debt Instrument [Line Items]              
Number of monthly installments | installment 59            
Term Loan B | Expiration Date, Period One              
Debt Instrument [Line Items]              
Bank Guarantees outstanding to customers           7,100,000 8,100,000
Term Loan B | Expiration Date, Period Two              
Debt Instrument [Line Items]              
Bank Guarantees outstanding to customers           466,000 1,200,000
Term Loan B | Expiration Date, Period Three              
Debt Instrument [Line Items]              
Bank Guarantees outstanding to customers           696,000 450,000
Term Loan B | Expiration Date, Period Four              
Debt Instrument [Line Items]              
Bank Guarantees outstanding to customers           $ 328,000 $ 653,000