STOCK REPURCHASE PROGRAM (NARRATIVE) (DETAILS) - USD ($) $ in Thousands		12 Months Ended			182 Months Ended
	Feb. 28, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016
STOCK REPURCHASE PROGRAM [ABSTRACT]
Cumulative Authorized Share Repurchase Allowance		$ 737,300			$ 737,300
Treasury Stock Purchases, Shares	234	2,700,000			45,500,000
Cost of Treasury Stock Purchases	$ 7,000	$ 74,683	$ 17,231	$ 57,074	$ 717,400
Remaining Allowance Stock Repurchase Program		$ 19,900			$ 19,900
Purchases of common stock, share	234	2,700,000			45,500,000
Purchases of common stock, value	$ 7,000	$ 74,683	$ 17,231	$ 57,074	$ 717,400