SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Weighted-Average Common Shares Outstanding) (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Weighted-average common shares outstanding	133,210	131,461	130,272
Stock options/SOSARs	1,027	656	461
Other stock compensation plans	856	874	734
Weighted-average common shares outstanding, assuming dilution	135,093	132,991	131,467