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INCENTIVE COMPENSATION (Schedule of Awards) (Details) - $ / shares
12 Months Ended
May 18, 2016
Feb. 17, 2015
Feb. 25, 2013
Feb. 04, 2013
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Special cash dividends paid (in dollars per share) $ 2.75 $ 5.77      
RSU 1          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards Granted (in shares)         449,217
Grant Date Fair Value per Award (in dollars per share)         $ 16.70
Vesting Date Fair Value per Award (in dollars per share)       $ 18.99  
Estimated Forfeiture Rate         13.49%
Awards Forfeited to Date (in shares)         86,458
RSU 2          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards Granted (in shares)         223,701
Grant Date Fair Value per Award (in dollars per share)         $ 17.18
Vesting Date Fair Value per Award (in dollars per share)     $ 31.06    
Estimated Forfeiture Rate         12.34%
Awards Forfeited to Date (in shares)         53,363
RSU 3          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards Granted (in shares)         45,961
Grant Date Fair Value per Award (in dollars per share)         $ 25.87
Vesting Date Fair Value per Award (in dollars per share)         $ 31.06
Estimated Forfeiture Rate         12.34%
Awards Forfeited to Date (in shares)         10,965
RSU 4          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards Granted (in shares)         251,136
Grant Date Fair Value per Award (in dollars per share)         $ 25.36
Awards Forfeited to Date (in shares)         251,136
Percentage of awards forfeited         100.00%
RSU 5          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards Granted (in shares)         74,535
Grant Date Fair Value per Award (in dollars per share)         $ 20.93
Vesting Date Fair Value per Award (in dollars per share)         $ 18.99
Estimated Forfeiture Rate         13.49%
Awards Forfeited to Date (in shares)         0
RSU 6          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards Granted (in shares)         389,424
Grant Date Fair Value per Award (in dollars per share)         $ 18.38
Estimated Forfeiture Rate         0.00%
Awards Forfeited to Date (in shares)         0
RSU 7          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards Granted (in shares)         48,586
Grant Date Fair Value per Award (in dollars per share)         $ 20.52
Vesting Date Fair Value per Award (in dollars per share)         $ 18.99
Estimated Forfeiture Rate         0.00%
Awards Forfeited to Date (in shares)         0
RSU 8          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards Granted (in shares)         23,469
Grant Date Fair Value per Award (in dollars per share)         $ 20.52
Vesting Date Fair Value per Award (in dollars per share)         $ 31.06
Estimated Forfeiture Rate         0.00%
Awards Forfeited to Date (in shares)         652