CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details 2) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Reclassification out of AOCI
Sales		$ 78,197	$ 70,186	$ 142,754	$ 138,007
Other expense, net		(37)	(20)	(192)	72
Income from continuing operations before income taxes		2,126	238	277	(1,093)
Income taxes		396	(93)	198	(8)
Net earnings (loss) applicable to common shareholders		2,522	145	475	(1,101)
Total before tax		(838)	(863)	(1,832)	(1,605)
Unrealized gain (loss) on cash flow hedges
Reclassification out of AOCI
Total before tax		38	(63)	(111)	(16)
Amortization of prior service credit
Reclassification out of AOCI
Total before tax	[1]	78	64	154	127
Amortization of transition asset
Reclassification out of AOCI
Total before tax	[1]	0	79	0	156
Amortization of actuarial loss
Reclassification out of AOCI
Total before tax	[1]	(924)	(943)	(1,845)	(1,872)
Settlement loss
Reclassification out of AOCI
Total before tax		(30)	0	(30)	0
Retirement plans related adjustments
Reclassification out of AOCI
Total before tax		(876)	(800)	(1,721)	(1,589)
Income taxes		96	85	184	168
Net of tax		(780)	(715)	(1,537)	(1,421)
Amount reclassified from AOCI | Unrealized gain (loss) on cash flow hedges
Reclassification out of AOCI
Sales		18	(53)	(120)	23
Other expense, net		20	(10)	9	(39)
Income from continuing operations before income taxes		38	(63)	(111)	(16)
Income taxes		15	(10)	(9)	(3)
Net earnings (loss) applicable to common shareholders		$ 53	$ (73)	$ (120)	$ (19)

[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.