v3.26.1
Benefit Plans - Pension Plan's Fair Value Hierarchy for Assets Measured at Fair Value (Detail) - USD ($)
$ in Thousands
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements $ 55,258 $ 53,336 $ 51,816
Cash and Cash Equivalents [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 1,037 1,010  
Government Bonds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 12,150 12,547  
Corporate Bonds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 24,027 23,431  
Domestic Equities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 17,348 14,603  
Foreign Equities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 696 1,745  
Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 19,081 17,358  
Level 1 [Member] | Cash and Cash Equivalents [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 1,037 1,010  
Level 1 [Member] | Domestic Equities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 17,348 14,603  
Level 1 [Member] | Foreign Equities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 696 1,745  
Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 36,177 35,978  
Level 2 [Member] | Government Bonds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements 12,150 12,547  
Level 2 [Member] | Corporate Bonds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value Measurements $ 24,027 $ 23,431