v3.26.1
Capital Stock and Stock-Based Awards - Schedule of capital stock (Details) - shares
May 31, 2026
May 31, 2025
May 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Preferred stock, shares authorized (in shares) 2,000,000.0 2,000,000.0  
Preferred stock, outstanding (in shares) 0 0  
Class A Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common Stock, shares authorized (in shares) 3,171,900 3,171,900 3,171,900
Common Stock, reserved for issuance (in shares) 0    
Common Stock, shares outstanding (in shares) 828,100 828,100 828,100
Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common Stock, shares authorized (in shares) 70,000,000 70,000,000.0  
Common Stock, reserved for issuance (in shares) 4,074,031    
Common Stock, shares outstanding (in shares) 17,920,321 24,200,000  
Preferred Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Preferred stock, shares authorized (in shares) 2,000,000    
Preferred stock, reserved for issuance (in shares) 0    
Preferred stock, outstanding (in shares) 0