XML 41 R26.htm IDEA: XBRL DOCUMENT v3.4.0.3
Stock Based Compensation (Tables)
12 Months Ended
Feb. 29, 2016
Notes to Financial Statements  
Weighted-average Black-Scholes assumptions
   Fiscal Year Ended
   February 29,
2016
  February 28,
2015
Expected life   8 years    8 years 
Risk free interest rate   .91% -1.03%    .7% - .97% 
Expected volatility   18.73% - 23.72%    23.09% - 53.92% 
Expected dividend yield   0%    0%