EQUITY (Change In Total Equity) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
EQUITY [Abstract]
Balance at December 31, 2015	$ 4,454,188,000
Net earnings (loss)	18,924,000	$ (39,678,000)
Share-based compensation, net of shares withheld for taxes	(24,613,000)
Purchase and retirement of common stock	(26,597,000)		$ (21,475,000)
Share-based compensation expense	4,321,000
Excess tax benefits from share-based compensation	21,235,000
Cash dividends on common stock	(26,718,000)
Other comprehensive income	314,000	4,929,000
Other	(1,000)
Balance at March 31, 2016	$ 4,421,053,000	$ 4,160,167,000	$ 4,454,188,000
Cash dividend on common stock, per share	$ 0.20