Accumulated Other Comprehensive (Loss) Income

12 Months Ended

Dec. 31, 2021

Accumulated Other Comprehensive Income (Loss)

K.    ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME

Changes in accumulated other comprehensive (loss) income, which is presented net of tax, consist of the following:

	Foreign Currency Translation Adjustment			Unrealized Gains (Losses) on Marketable Securities			Retirement Plans Prior Service Credit			Total
	(in thousands)
Balance at December 31, 2019, net of tax of $0, $946, $(1,124), respectively	$	(23,514	)	$	3,480		$	1,180		$	(18,854	)
Other comprehensive income before reclassifications, net of tax of $0, $1,629, $0, respectively		48,903			5,839			—			54,742
Amounts reclassified from accumulated other comprehensive income, net of tax of $0, $(665), $(2), respectively		—			(2,365	)		(7	)		(2,372	)
Net current period other comprehensive income (loss), net of tax of $0, $964, $(2), respectively		48,903			3,474			(7	)		52,370
Balance at December 31, 2020, net of tax of $0, $1,910, $(1,126), respectively	$	25,389		$	6,954		$	1,173		$	33,516
Other comprehensive loss before reclassifications, net of tax of $0, $(578), $0, respectively		(36,207	)		(2,255	)		—			(38,462	)
Amounts reclassified from accumulated other comprehensive income, net of tax of $0, $(277), $(2), respectively		—			(995	)		(7	)		(1,002	)
Net current period other comprehensive loss, net of tax of $0, $(855), $(2), respectively		(36,207	)		(3,250	)		(7	)		(39,464	)
Balance at December 31, 2021, net of tax of $0, $1,055, $(1,128), respectively	$	(10,818	)	$	3,704		$	1,166		$	(5,948	)

Reclassifications out of accumulated other comprehensive (loss) income to the statements of operations for the years ended December 31, 2021, 2020, and 2019, were as follows:

Details about Accumulated Other Comprehensive (Loss) Income Components	For the years ended						Affected Line Item in the Statements of Operations
	December 31, 2021		December 31, 2020		December 31, 2019
	(in thousands)
Available-for-sale marketable securities
Unrealized gains, net of tax of $277, $665, $192, respectively	$	995	$	2,365	$	690		Interest income
Defined benefit pension and postretirement plans:
Amortization of prior service benefit, net of tax of $2, $2, $43, respectively		7		7		148		(a)
Total reclassifications, net of tax of $279, $667, $235, respectively	$	1,002	$	2,372	$	838		Net income

(a) The amortization of prior service credit is included in the computation of net periodic pension cost and postretirement benefit; see Note P: “Retirement Plans.”