SHARE-BASED COMPENSATION: Share-based Compensation Expense (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
May 31, 2014
May 31, 2013
May 31, 2014
May 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Awards granted in the period 25 44 151 144
Value of awards granted during period $ 1,658 $ 1,543 $ 8,906 $ 5,065
Total share-based compensation 3,048 2,215 5,632 4,698
Restricted Stock [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Awards granted in the period 18 36 98 38
Value of awards granted during period 1,158 1,275 5,702 1,329
Restricted Stock Units (RSUs) [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Awards granted in the period 7 8 53 106
Value of awards granted during period $ 500 $ 268 $ 3,204 $ 3,736