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Stock Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2021
Aug. 31, 2020
May 31, 2021
Apr. 16, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unissued common stock reserved         177,436  
Stock option award maximum term     10 years      
Share based compensation arrangements by share based payment award vesting period maximum     5 years      
Number of outstanding vested and unvested stock options 0 0 0 0    
Number of stock options granted     0 0    
Remaining unrecognized compensation cost $ 1.2   $ 1.2      
Weighted average remaining requisite service period     1 year 8 months 12 days      
Selling, General and Administrative Expenses [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation expense related share based compensation before tax 0.6 $ 0.4 $ 1.8 $ 0.7    
Restricted Stock Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Performance or vesting period     3 years      
Number of stock options granted     18,179      
RSUs vesting description     The performance-based RSUs vest on the third anniversary from the date of grant and the time-based RSUs vest ratably over three years from the date of grant.      
Performance-based RSUs [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Remaining unrecognized compensation cost 3.6   $ 3.6      
Weighted average remaining requisite service period     2 years 7 months 6 days      
Restricted stock units granted     177,977      
Fair value of restricted stock units granted     $ 23.17      
Time-based RSUs [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Remaining unrecognized compensation cost $ 0.8   $ 0.8      
Weighted average remaining requisite service period     2 years 7 months 6 days      
Restricted stock units granted     44,494      
Fair value of restricted stock units granted     $ 20.38      
2021 Long-Term Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized           1,033,648