SHARE-BASED COMPENSATION: Share-based Compensation Expense (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
May 31, 2013
May 31, 2012
May 31, 2013
May 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Awards granted in the period 44 98 144 102
Value of awards granted during period $ 1,543 $ 3,461 $ 5,065 $ 3,615
Total share-based compensation 2,215 2,216 4,698 4,225
Stock Options [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 0 20 0 20
Value of awards granted during period 0 301 0 301
Restricted Stock [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Awards granted in the period 36 32 38 36
Value of awards granted during period 1,275 1,196 1,329 1,350
Restricted Stock Units (RSUs) [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Awards granted in the period 8 46 106 46
Value of awards granted during period $ 268 $ 1,964 $ 3,736 $ 1,964