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STOCK-BASED COMPENSATION (Summary Of Weighted-Average Assumptions) (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Dividend yield 0.00% 0.00% 0.00%
Expected volatility 29.00% 29.00% 31.00%
Risk free interest rate 1.96% 2.41% 1.52%
Expected life of option from grant date 8 years 8 years 8 years