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SHAREHOLDERS' EQUITY (DETAILS) - shares
shares in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Shares issued, balance at beginning of period (in shares)     176,240    
Total shares issued at end of period (in shares) 176,575   176,575    
Treasury shares, balance at beginning of period     (80,174)    
Total treasury shares at end of period (in shares) (88,136)   (88,136)    
Total shares outstanding (in shares) 88,439   88,439   96,066
Common Stock [Member]          
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Shares issued, balance at beginning of period (in shares) 176,575 176,206 176,240 175,478  
Shares issued (in shares) 0 16 335 744  
Total shares issued at end of period (in shares) 176,575 176,222 176,575 176,222  
Treasury shares, balance at beginning of period (85,921) (75,922) (80,174) (76,052)  
Shares repurchased (in shares) (2,252) (4,257) (8,499) (4,607)  
Shares reissued from treasury (in shares) 37 6 537 486  
Total treasury shares at end of period (in shares) (88,136) (80,173) (88,136) (80,173)  
Total shares outstanding (in shares) 88,439 96,049 88,439 96,049