v3.25.2
Income Taxes - Additional Information (Detail) - USD ($)
 12 Months Ended
May 31, 2025
May 31, 2024
May 31, 2023
Income Tax [Line Items]      
Net operating loss carryforwards $ 184,800,000    
Foreign capital loss carryforwards 25,400,000    
Total Valuation Allowances 49,167,000 $ 30,021,000  
Increase to deferred income tax assets for U.S. foreign tax credit carryforwards 43,922,000    
Unrecognized tax benefits that would impact effective tax rate, if recognized 1,600,000 4,400,000 $ 2,900,000
Accrued interest and penalties related to unrecognized tax benefits 600,000 3,000,000 $ 2,200,000
Unremitted foreign earnings 164,700,000    
Deferred income tax liability 0 $ 4,055,000  
Remaining unremitted foreign earnings 1,100,000,000    
Provision for deferred income taxes $ 0    
Minimum tax rate on reported profits from OECD framework 15.00%    
State and Local      
Income Tax [Line Items]      
Net operating loss carryforwards $ 1,100,000    
Net operating loss carryforwards beginning expiration year 2026    
Foreign      
Income Tax [Line Items]      
Tax credit carryforwards $ 7,600,000    
Tax credit carryforwards expiration year 2034    
Foreign Net Operating Loss Carryforwards      
Income Tax [Line Items]      
Net operating loss carryforwards $ 93,200,000    
Net operating loss carryforwards beginning expiration year 2026    
Net operating loss carryforwards subject to expiration $ 18,900,000    
Net operating loss carryforwards indefinite carry forward period 165,900,000    
Interest Deduction Carryforwards      
Income Tax [Line Items]      
Net operating loss carryforwards $ 91,600,000