EARNINGS PER COMMON SHARE: (Antidilutive Securities) (Details) (Options [Member])
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
May 31, 2014
May 31, 2013
May 31, 2014
May 31, 2013
Options [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Options excluded from computation of diluted net income per share 9 14 10 16