Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Note 11 - Options (Details 2)

v3.10.0.1
Note 11 - Options (Details 2) - $ / shares
12 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2016
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Number outstanding (in Shares) 555,651    
Weighted average exercise price per share $ 31.75    
Number exercisable (in Shares) 544,619 522,106 439,661
Weighted average exercise price per share $ 32.16 $ 33.00 $ 34.90
Weighted average grant date fair value 16.91 $ 17.90 $ 19.60
Range 1 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise price range, upper limit $ 25    
Number outstanding (in Shares) 109,067    
Weighted average exercise price per share $ 17.99    
Weighted average remaining contract life (years) 2 years 7 months 28 days    
Weighted average grant date fair value $ 9.75    
Number exercisable (in Shares) 98,035    
Weighted average exercise price per share $ 14.14    
Weighted average grant date fair value 10.15    
Range 2 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise price range, lower limit 25    
Exercise price range, upper limit $ 26    
Number outstanding (in Shares) 446,584    
Weighted average exercise price per share $ 35.11    
Weighted average remaining contract life (years) 1 year 11 months 23 days    
Weighted average grant date fair value $ 29.25    
Number exercisable (in Shares) 446,584    
Weighted average exercise price per share $ 35.11    
Weighted average grant date fair value $ 29.25