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



(dollars in thousands)	Foreign Currency Translation			Derivative Instruments			Pension and Other Postretirement Benefits			Total Accumulated Comprehensive Loss
Balance on December 31, 2012	$	(1,641	)	$	489		$	(139,888	)	$	(141,040	)

Other comprehensive income (loss)	6,195			777			—			6,972
Actuarial gain (loss)	—			—			47,704			47,704
Currency impact	—			—			(298		)	(298		)
Amounts reclassified from accumulated other comprehensive income (loss):
Amortization of actuarial loss ⁽¹⁾	—			—			12,185			12,185
Amortization of prior service cost ⁽¹⁾	—			—			1,476			1,476
Amortization of transition obligation ⁽¹⁾	—			—			84			84
Cost of sales	—			57			—			57
Current-period other comprehensive income (loss)	6,195			834			61,151			68,180
Tax effect	—			(102		)	(198		)	(300		)
Balance on December 31, 2013	4,554			1,221			(78,935		)	(73,160		)

Other comprehensive income (loss)	(13,716		)	(1,392		)	—			(15,108		)
Actuarial gain (loss)	—			—			(62,689		)	(62,689		)
Currency impact	—			—			4,655			4,655
Amounts reclassified from accumulated other comprehensive income (loss):
Amortization of actuarial loss ⁽¹⁾	—			—			5,331			5,331
Amortization of prior service cost ⁽¹⁾	—			—			2,142			2,142
Amortization of transition obligation ⁽¹⁾	—			—			60			60
Cost of sales	—			(573		)	—			(573		)
Current-period other comprehensive income (loss)	(13,716		)	(1,965		)	(50,501		)	(66,182		)
Tax effect	—			119			776			895
Balance on December 31, 2014	(9,162		)	(625		)	(128,660		)	(138,447		)

Other comprehensive income (loss)	(13,751		)	(4,287		)	—			(18,038		)
Actuarial gain (loss)	—			—			21,438			21,438
Currency impact	—			—			4,233			4,233
Amounts reclassified from accumulated other comprehensive income (loss):
Amortization of actuarial loss ⁽¹⁾	—			—			9,426			9,426
Amortization of prior service cost ⁽¹⁾	—			—			4,652			4,652
Cost of sales	—			2,357			—			2,357
Current-period other comprehensive income (loss)	(13,751		)	(1,930		)	39,749			24,068
Tax effect	—			695			(6,548		)	(5,853		)
Balance on December 31, 2015	$	(22,913	)	$	(1,860	)	$	(95,459	)	$	(120,232	)

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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 Consolidated Statements of Operations.