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Earnings per Share - Additional Information (Detail) - USD ($)
12 Months Ended
Feb. 28, 2025
Feb. 29, 2024
Feb. 28, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Undistributed earnings $ 0    
Options outstanding 0 0 0
Stock Option      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of earnings per share 31,251 52,500