SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Weighted-Average Common Shares Outstanding Assuming Dilution) (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Weighted-average common shares outstanding	133,205	133,210	131,461
Stock options/SOSARs	1,339	1,027	656
Other stock compensation plans	1,246	856	874
Weighted-average common shares outstanding, assuming dilution	135,790	135,093	132,991