SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Fair Value Measurement on Nonrecurring Basis) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Property, plant & equipment, net, Impairment Charges	$ 0	$ 1,359
Other intangible assets, net, Impairment Charges	0	8,180
Other assets, Impairment Charges	0	967
Totals		0
Totals, Impairment Charges	0	10,506	$ 5,190
Nonrecurring [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Property, plant & equipment, net	0	0
Other intangible assets, net	0	0
Other assets	0	0
Totals	$ 0	$ 0