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Commitments and Contingencies - Additional Information (Detail)
$ in Thousands
 3 Months Ended
Aug. 15, 2025
Litigation
Aug. 31, 2025
USD ($)
May 31, 2025
USD ($)
Commitments and Contingencies Disclosure [Line Items]      
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]   Liabilities Liabilities
Estimated liability costs of remediation   $ 916 $ 916
Estimated liability, measurement period, years   15 years  
Estimated liability costs of remediation, current   $ 100  
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration]   Liabilities, Current  
Estimated liability costs of remediation, non current   $ 816  
Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration]   Other Liabilities, Noncurrent  
Number of stockholder litigation demands | Litigation 2    
Minimum      
Commitments and Contingencies Disclosure [Line Items]      
Environmental remediation expense   $ 40  
Environmental Remediation Expense, before Recovery, Statement of Income or Comprehensive Income [Extensible Enumeration]   Operating Expenses  
Maximum      
Commitments and Contingencies Disclosure [Line Items]      
Environmental remediation expense   $ 130  
Environmental Remediation Expense, before Recovery, Statement of Income or Comprehensive Income [Extensible Enumeration]   Operating Expenses