XML 101 R84.htm IDEA: XBRL DOCUMENT v3.19.1
STOCKHOLDERS' EQUITY (Summary of Stock Option Activity) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2017
Feb. 29, 2016
Number of Options        
Outstanding, beginning balance 980 955 860  
Granted 140 165 227  
Exercised (66) (140) (125)  
Forfeited or expired     (7)  
Outstanding, ending balance 1,054 980 955 860
Exercisable 698 590 624  
Weighted Average Exercise Price        
Outstanding, beginning balance $ 11.29 $ 8.60 $ 6.96  
Granted 23.08 19.31 14.49  
Exercised 1.87 2.36 7.67  
Forfeited or expired     15.70  
Outstanding, ending balance 13.44 11.29 8.60 $ 6.96
Exercisable $ 10.22 $ 7.54 $ 5.03  
Weighted average remaining contractual life, Outstanding 5 years 9 months 18 days 5 years 10 months 24 days 5 years 6 months 4 years 8 months 12 days
Weighted average remaining contractual life, Exercisable 4 years 4 months 24 days 4 years 1 month 6 days 5 years 6 months  
Aggregate intrinsic value, Outstanding $ 3,360      
Aggregate intrinsic value, Exercisable $ 3,360 $ 9,349 $ 7,046  
Weighted average grant date fair value of stock options granted during the year $ 11.94 $ 10.20 $ 6.69