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Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Aug. 31, 2024
May 31, 2024
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  
Minimum    
Commitments and Contingencies Disclosure [Line Items]    
Environmental remediation expense $ 38  
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 $ 131  
Environmental Remediation Expense, before Recovery, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Expenses