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SHARE-BASED COMPENSATION (Assumptions Used to Determine Compensation Cost for Market Condition Component of Performance Share Program Plan) (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected volatility, lower limit 25.30% 25.25% 25.30% 25.25%
Expected volatility, upper limit 55.33% 62.58% 55.33% 62.58%
Risk-free interest rate, lower limit 0.13% 0.20% 0.13% 0.20%
Risk-free interest rate, upper limit 0.78% 0.99% 0.78% 0.99%