Accumulated other comprehensive loss, net of tax, is as follows:



Three months ended March 31, 2017 (dollars in thousands)	Foreign Currency Translation			Derivative Instruments			Pension and Other Postretirement Benefits			Accumulated Other Comprehensive Loss
Balance December 31, 2016	$	(27,828	)	$	(515	)	$	(96,854	)	$	(125,197	)

Other comprehensive income (loss)	1,408			(266		)	—			1,142
Currency impact	—			—			(480		)	(480		)

Amounts reclassified from accumulated other comprehensive income (loss):
Amortization of actuarial loss ⁽¹⁾	—			—			1,502			1,502
Amortization of prior service cost ⁽¹⁾	—			—			(38		)	(38		)
Cost of sales	—			(67		)	—			(67		)
Interest expense	—			585			—			585
Current-period other comprehensive income (loss)	1,408			252			984			2,644
Tax effect	—			(87		)	(528		)	(615		)
Balance on March 31, 2017	$	(26,420	)	$	(350	)	$	(96,398	)	$	(123,168	)



Three months ended March 31, 2016 (dollars in thousands)	Foreign Currency Translation			Derivative Instruments			Pension and Other Postretirement Benefits			Accumulated Other Comprehensive Loss
Balance on December 31, 2015	$	(22,913	)	$	(1,860	)	$	(95,459	)	$	(120,232	)

Other comprehensive income (loss)	3,350			(3,835		)	—			(485		)
Currency impact	—			—			103			103

Amounts reclassified from accumulated other comprehensive income (loss):
Amortization of actuarial loss ⁽¹⁾	—			—			1,331			1,331
Amortization of prior service cost ⁽¹⁾	—			—			47			47
Cost of sales	—			540			—			540
Interest Expense	—			391			—			391
Current-period other comprehensive income (loss)	3,350			(2,904		)	1,481			1,927
Tax effect	(145		)	1,046			(492		)	409
Balance on March 31, 2016	$	(19,708	)	$	(3,718	)	$	(94,470	)	$	(117,896	)

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(1) These accumulated other comprehensive income components are included in the computation of net periodic benefit cost within the cost of sales and selling, general and administrative expenses on the Condensed Consolidated Statements of Operations.