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SHAREHOLDERS' EQUITY (DETAILS 3) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2015
Sep. 30, 2014
Treasury shares, at cost [Member]      
Class of Stock [Line Items]      
Shares repurchased for treasury   $ 264,076 $ 468,531
Additional paid-in capital [Member]      
Class of Stock [Line Items]      
Shares repurchased for treasury   $ 60,000 $ 0
August 17, 2015 ASR agreement [Member]      
Class of Stock [Line Items]      
Shares Repurchased 4,149,378 4,149,378  
Accelerated Share Repurchases, initial repurchase percentage 80.00%    
Shares repurchased for treasury $ 300,000    
August 17, 2015 ASR agreement [Member] | Pro Forma [Member]      
Class of Stock [Line Items]      
Accelerated Share Repurchases, shares settled 1,372,048    
August 17, 2015 ASR agreement [Member] | Pro Forma [Member] | Minimum [Member]      
Class of Stock [Line Items]      
Accelerated Share Repurchases, shares settled 865,066    
Accelerated Share Repurchases, percent change In VWAP (10.00%)    
August 17, 2015 ASR agreement [Member] | Pro Forma [Member] | Maximum [Member]      
Class of Stock [Line Items]      
Accelerated Share Repurchases, shares settled 1,993,077    
Accelerated Share Repurchases, percent change In VWAP 10.00%    
August 17, 2015 ASR agreement [Member] | Treasury shares, at cost [Member]      
Class of Stock [Line Items]      
Shares repurchased for treasury $ 240,000    
August 17, 2015 ASR agreement [Member] | Additional paid-in capital [Member]      
Class of Stock [Line Items]      
Shares repurchased for treasury $ 60,000