EQUITY (Changes in Total Equity) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
EQUITY [Abstract]
Balance at beginning of period	$ 5,020,630	$ 4,602,104	$ 4,968,893	$ 4,572,476
Net earnings	179,151	108,579	391,783	273,639
Share-based compensation plans, net of shares withheld for taxes	(32)	(377)	(31,370)	(24,485)
Purchase and retirement of common stock	(24,995)	0	(99,916)	(60,303)
Share-based compensation expense	6,887	6,282	21,650	19,953
Cash dividends on common stock ($0.28/$0.25/$0.84/$0.75 per share, respectively)	(36,996)	(33,069)	(111,192)	(99,263)
Other comprehensive income	1,144	1,615	5,941	3,117
Balance at end of period	$ 5,145,789	$ 4,685,134	$ 5,145,789	$ 4,685,134
Cash dividend on common stock, per share	$ 0.28	$ 0.25	$ 0.84	$ 0.75