EQUITY (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
EQUITY [Abstract]
Common stock, par value	$ 1	$ 1	$ 1
Preferred stock issued	0
Number of shares held in treasury	0	0	0
Shares purchased and retired	1,426,659	0	228,000
Cost of shares purchased and retired	$ 161,463	$ 0	$ 21,475
Cash payment for stock repurchase	$ 161,463	$ 0
Shares remaining under the current authorization repurchase program	1,756,757