Other Comprehensive Income (Loss) Other Comprehensive Income (Loss) (Notes)

3 Months Ended

Mar. 31, 2021

Other Comprehensive Income (Loss)

Changes in AOCI by component for the three months ended March 31, 2021 are summarized as follows, net of tax (dollars in thousands):


	Defined Benefit Plans		Derivative Instruments		Foreign Currency Translation		Total
Balance, December 31, 2020	$	(8,620)	$	(3,580)	$	6,580	$	(5,620)
Net unrealized gains (losses) arising during the period (a)	—		3,900		(3,420)		480
Less: Net realized losses reclassified to net income	(150)		—		—		(150)
Net current-period other comprehensive income (loss)	150		3,900		(3,420)		630

Balance, March 31, 2021	$	(8,470)	$	320	$	3,160	$	(4,990)

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(a) Derivative instruments, net of income tax of approximately $1.3 million. See Note 11, "Derivative Instruments," for further details.

Changes in AOCI by component for the three months ended March 31, 2020 are summarized as follows, net of tax (dollars in thousands):


	Defined Benefit Plans		Derivative Instruments		Foreign Currency Translation		Total
Balance, December 31, 2019	$	(9,930)	$	4,230	$	(300)	$	(6,000)
Net unrealized gains (losses) arising during the period (a)	—		4,430		(8,260)		(3,830)
Less: Net realized losses reclassified to net income	(150)		—		—		(150)
Net current-period other comprehensive income (loss)	150		4,430		(8,260)		(3,680)

Balance, March 31, 2020	$	(9,780)	$	8,660	$	(8,560)	$	(9,680)

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(a) Derivative instruments, net of income tax of approximately $1.5 million. See Note 11, "Derivative Instruments," for further details.