SHAREHOLDERS' EQUITY (SCHEDULE OF COMMON STOCK OUTSTANDING) (Details) - shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Common Stock Outstanding [Roll Forward]
Balance, beginning of year (in shares)	184,028,511
Balance, end of year (in shares)	173,753,614	184,028,511
Number of stock tendered for payment of federal and state taxes owed	191,000	237,000	257,000
Common Stock [Member]
Common Stock Outstanding [Roll Forward]
Balance, beginning of year (in shares)	184,029,000	203,324,000	220,324,000
Treasury stock purchased and retired (in shares)	(11,688,000)	(20,582,000)	(18,489,000)
Balance, end of year (in shares)	173,754,000	184,029,000	203,324,000
Common Stock [Member] | Employee Stock Option [Member]
Common Stock Outstanding [Roll Forward]
Shares issued under employee benefit compensation plans (in shares)	978,000	769,000	916,000
Common Stock [Member] | Restricted and Performance Stock [Member]
Common Stock Outstanding [Roll Forward]
Shares issued under employee benefit compensation plans (in shares)	435,000	518,000	573,000