SHAREHOLDERS' EQUITY (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued, balance at beginning of period (in shares)			176,580
Total shares issued at end of period (in shares)	176,580		176,580
Treasury shares, balance at beginning of period			(90,139)
Total treasury shares at end of period (in shares)	(93,377)		(93,377)
Total shares outstanding (in shares)	83,203		83,203		86,441
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued, balance at beginning of period (in shares)	176,580	176,556	176,580	176,240
Shares issued (in shares)	0	19	0	335
Total shares issued at end of period (in shares)	176,580	176,575	176,580	176,575
Treasury shares, balance at beginning of period	(91,410)	(83,653)	(90,139)	(80,174)
Shares repurchased (in shares)	(2,004)	(2,337)	(4,233)	(6,247)
Shares reissued from treasury (in shares)	37	69	995	500
Total treasury shares at end of period (in shares)	(93,377)	(85,921)	(93,377)	(85,921)
Total shares outstanding (in shares)	83,203	90,654	83,203	90,654