CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details 2) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Reclassification out of AOCI
Sales		$ 79,882	$ 64,557
Other expense, net		(509)	(155)
Income from continuing operations before income taxes		2,736	(1,850)
Income taxes		(917)	(198)
Net earnings (loss) applicable to common shareholders		1,819	(2,048)
Total before tax		(555)	(994)
Unrealized gain (loss) on cash flow hedges
Reclassification out of AOCI
Total before tax		169	(149)
Amortization of prior service credit
Reclassification out of AOCI
Total before tax	[1]	81	76
Amortization of transition asset
Reclassification out of AOCI
Total before tax	[1]	0	0
Amortization of actuarial loss
Reclassification out of AOCI
Total before tax	[1]	(795)	(921)
Settlement loss
Reclassification out of AOCI
Total before tax		(10)	0
Retirement plans related adjustments
Reclassification out of AOCI
Total before tax		(724)	(845)
Income taxes		59	88
Net of tax		(665)	(757)
Amount reclassified from AOCI | Unrealized gain (loss) on cash flow hedges
Reclassification out of AOCI
Sales		(266)	(138)
Other expense, net		435	(11)
Income from continuing operations before income taxes		169	(149)
Income taxes		111	(24)
Net earnings (loss) applicable to common shareholders		$ 280	$ (173)

[1] These AOCI components are included in the computation of net periodic pension and post retirement costs. See Note 12. "Pension and Postretirement Plans" for more information.