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TREASURY STOCK PURCHASE (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2014
Sep. 30, 2014
Sep. 30, 2014
April 2013 Repurchase Plan
Dec. 31, 2013
April 2013 Repurchase Plan
Apr. 07, 2013
April 2013 Repurchase Plan
TREASURY STOCK PURCHASE          
Maximum amount of common stock the board of directors authorized to repurchase         $ 200.0
Common stock repurchased (in shares)     0 951,000  
Average purchase price (in dollars per share)       $ 56.98  
Common stock repurchased       54.2  
Number of shares repurchased of common stock from employees in lieu of cash or withholding taxes due 90,000 90,000      
Cash payment for repurchase of common stock from employees in lieu of cash or withholding taxes due $ 8.1 $ 8.1