OTHER COMPREHENSIVE INCOME (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Pension and postretirement benefits [Abstract]
Amortization of net actuarial loss, Gross Amount	$ 1,798	[1]	$ 37	[1]
Amortization of net actuarial loss, Income Tax (Provision) Benefit	(690)	[1]	(13)	[1]
Amortization of net actuarial loss, Net Amount	1,108	[1]	24	[1]
Actuarial gains, Gross Amount	0	[1]	0	[1]
Actuarial gains, Income Tax (Provision) Benefit	0	[1]	0	[1]
Actuarial gains, Net Amount	0	[1]	0	[1]
Foreign currency translation adjustments, Gross Amount	(97)		(17)
Foreign currency translation adjustments, Income Tax (Provision) Benefit	0		0
Foreign currency translation adjustments, Net Amount	(97)		(17)
Change in fair value of derivative instruments [Abstract]
Reclassified to net earnings, Gross Amount	0	[2]	146	[2]
Reclassified to net earnings, Income Tax (Provision) Benefit	0	[2]	(62)	[2]
Reclassified to net earnings, Net Amount	0	[2]	84	[2]
Total other comprehensive income (loss), Gross Amount	1,701		166
Total other comprehensive income (loss), Income Tax (Provision) Benefit	(690)		(75)
Total comprehensive income, net of taxes	$ 1,011		$ 91

[1] Actuarial gains (losses) are amortized into costs of sales and operating expenses or selling, general and administrative expenses as appropriate. (See Note 10 - Retirement Plans)

[2] Reclassifications to net earnings of derivatives qualifying as effective hedges are recognized in costs of sales and operating expenses.