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SHAREHOLDERS' EQUITY (DETAILS) - shares
shares in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Shares issued, balance at beginning of period 176,240    
Total shares issued at end of period 176,556    
Treasury shares, balance at beginning of period (80,174)    
Total treasury shares at end of period (83,653)    
Total shares outstanding 92,903   96,066
Common Stock [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Shares issued, balance at beginning of period 176,240 175,478  
Shares issued 316 712  
Total shares issued at end of period 176,556 176,190  
Treasury shares, balance at beginning of period (80,174) (76,052)  
Shares repurchased (3,910) (290)  
Shares reissued from treasury 431 371  
Total treasury shares at end of period (83,653) (75,971)  
Total shares outstanding 92,903 100,219