CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

12 Months Ended

Dec. 31, 2017

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of changes in accumulated other comprehensive income (loss) (AOCI) by component

Changes in AOCI by component for 2017, 2016, and 2015 are as follows (in thousands):

	Year Ended December 31, 2017
	Foreign currency translation adjustments			Retirement plans related adjustments			Unrealized gain (loss) on cash flow hedges			Accumulated other comprehensive loss
Beginning balance, net of tax	$	15,483		$	(70,102	)	$	(37	)	$	(54,656	)
Other comprehensive income (loss) before reclassifications	10,493			4,173			(45		)	14,621
Less income (loss) reclassified from AOCI	833			(3,547		)	411			(2,303		)
Net other comprehensive income (loss)	9,660			7,720			(456		)	16,924
Income tax (benefit) expense	(206		)	821			(121		)	494
Ending balance, net of tax	$	25,349		$	(63,203	)	$	(372	)	$	(38,226	)

	Year Ended December 31, 2016
	Foreign currency translation adjustments			Retirement plans related adjustments			Unrealized gain (loss) on cash flow hedges			Accumulated other comprehensive loss
Beginning balance, net of tax	$	20,529		$	(69,100	)	$	(142	)	$	(48,713	)
Other comprehensive (loss) income before reclassifications	(4,811		)	(4,594		)	63			(9,342		)
Less loss reclassified from AOCI	—			(3,695		)	(75		)	(3,770		)
Net other comprehensive (loss) income	(4,811		)	(899		)	138			(5,572		)
Income tax expense	235			103			33			371
Ending balance, net of tax	$	15,483		$	(70,102	)	$	(37	)	$	(54,656	)

	Year Ended December 31, 2015
	Foreign currency translation adjustments			Retirement plans related adjustments			Unrealized gain (loss) on cash flow hedges			Accumulated other comprehensive loss
Beginning balance, net of tax	$	25,913		$	(64,570	)	$	(144	)	$	(38,801	)
Other comprehensive (loss) before reclassifications	(4,598		)	(8,607		)	(212		)	(13,417		)
Less loss reclassified from AOCI	—			(2,662		)	(212		)	(2,874		)
Net other comprehensive loss	(4,598		)	(5,945		)	—			(10,543		)
Income tax expense expense (benefit)	786			(1,415		)	(2		)	(631		)
Ending balance, net of tax	$	20,529		$	(69,100	)	$	(142	)	$	(48,713	)

Schedule of reclassification out of AOCI

Details about reclassification out of AOCI for the 2017, 2016, and 2015 are as follows (in thousands):

	Year Ended December 31,									Affected line item on the Consolidated Statements of Operations
Details of AOCI components	2017			2016			2015
Unrealized (loss) gain on cash flow hedges:
	$	386		$	27		$	(120	)	Sales
	25			(102		)	(92		)	Other (income) expense, net
	411			(75		)	(212		)	Total before tax
	125			(16		)	36			Tax (expense) benefit
	$	536		$	(91	)	$	(176	)	Net of tax
Retirement plans related adjustments:
Amortization of prior service credit	$	311		$	311		$	318		(a)
Amortization of transition asset	—			253			258			(a)
Amortization of actuarial loss	(3,740		)	(3,626		)	(3,222		)	(a)
Settlement (gain) loss	(118		)	(633		)	(16		)	(a)
	(3,547		)	(3,695		)	(2,662		)	Total before tax
	376			426			187			Tax benefit
	$	(3,171	)	$	(3,269	)	$	(2,475	)	Net of tax
Foreign currency translation adjustment:
Cumulative translation adjustment on dissolution of foreign subsidiary	$	833		$	—		$	—		Other (income) expense, net
	$	833		$	—		$	—		Total before tax
	$	—		$	—		$	—		Tax (expense) benefit
	$	833		$	—		$	—		Net of tax

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(a)  These AOCI components are included in the computation of net period pension and post retirement costs. See Note 13. "Employee Benefits" for details.