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STOCK COMPENSATION PLANS (Details 3) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Net tax benefit recognized in equity for stock compensation plans $ 3,291 $ 6,513 $ 5,522
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Cash proceeds from options exercised 874 4,937 1,680
Net tax benefit recognized in equity for stock compensation plans 320 1,398 48
Total intrinsic value of options exercised $ 760 $ 3,546 926
Total fair value of options vested     $ 363