FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Mar. 31, 2017

FAIR VALUE MEASUREMENTS [Abstract]

Fair Value Measurement on Recurring Basis

	Level 1 Fair Value
	March 31	December 31	March 31
in thousands	2017	2016	2016
Fair Value Recurring
Rabbi Trust
Mutual funds	$        5,148	$        6,883	$        6,185
Equities	10,608	10,033	6,824
Total	$      15,756	$      16,916	$      13,009

	Level 2 Fair Value
	March 31	December 31	March 31
in thousands	2017	2016	2016
Fair Value Recurring
Rabbi Trust
Money market mutual fund	$        2,849	$        1,705	$        2,682
Total	$        2,849	$        1,705	$        2,682

Fair Value Measurement on Nonrecurring Basis

	Period ended March 31, 2017		Period ended March 31, 2016
		Impairment		Impairment
in thousands	Level 2	Charges	Level 2	Charges
Fair Value Nonrecurring
Property, plant & equipment, net	$              0	$              0	$              0	$          499
Other intangible assets, net	0	0	0	8,180
Other assets	0	0	0	967
Total	$              0	$              0	$              0	$       9,646