CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details 2) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reclassification out of AOCI
Sales		$ 67,211	$ 76,805	$ 205,218	$ 228,289
Other expense, net		(321)	(201)	(249)	(276)
Reclassification from AOCI, before taxes		(1,434)	(803)	(3,038)	(1,957)
Income from continuing operations before income taxes		(726)	635	(1,818)	1,330
Income taxes		(657)	(962)	(666)	(1,479)
Net loss applicable to common shareholders		(1,383)	(327)	(2,484)	(149)
Unrealized gain (loss) on cash flow hedges
Reclassification out of AOCI
Reclassification from AOCI, before taxes		126	(142)	110	37
Unrealized gain (loss) on cash flow hedges | Amount reclassified from AOCI
Reclassification out of AOCI
Sales		39	(119)	62	26
Other expense, net		87	(23)	48	11
Income from continuing operations before income taxes		126	(142)	110	37
Income taxes		21	(25)	18	7
Net loss applicable to common shareholders		147	(167)	128	44
Retirement plans related adjustments
Reclassification out of AOCI
Reclassification from AOCI, before taxes		(1,560)	(661)	(3,148)	(1,994)
Retirement plans related adjustments | Amount reclassified from AOCI
Reclassification out of AOCI
Amortization of prior service credit	[1]	64	79	191	241
Amortization of transition asset	[1]	78	19	234	61
Amortization of actuarial loss	[1]	(937)	(759)	(2,808)	(2,296)
Income from continuing operations before income taxes		(1,560)	(661)	(3,148)	(1,994)
Income taxes		228	47	396	143
Net loss applicable to common shareholders		(1,332)	(614)	(2,752)	(1,851)
Settlement loss
Reclassification out of AOCI
Reclassification from AOCI, before taxes		$ (765)	$ 0	$ (765)	$ 0

[1] These AOCI components are included in the computation of net periodic pension and post retirement costs. See Note 11. "Pension and Postretirement Plans" for details.