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STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2016
STOCK-BASED COMPENSATION  
Schedule of stock-based employee compensation expense
    Three months ended     Nine months ended  
    September 30,     September 30  
(in thousands)   2016     2015     2016     2015  
Pre-tax expense   $ 2,703     $ 2,586     $ 8,065     $ 7,695  
After tax expense   $ 1,716     $ 1,642     $ 5,121     $ 4,886  
Schedule of summary of changes in non-vested restricted shares
    Shares     Weighted Average
Grant-Date Fair
Value
 
Non-vested shares at December 31, 2015     3,312,175     $ 13.17  
Granted     920,100       10.77  
Vested     (883,201 )     11.57  
Forfeited     (93,399 )     13.27  
Non-vested shares at September 30, 2016     3,255,675     $ 12.92