Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Changes in accumulated other comprehensive income (loss), net of tax

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

	Unrealized Gains (Losses) on Available-for-Sale Debt Investments (1)		Defined Benefit Pension (2)		Foreign Currency Translation		Total
	(In thousands)
Accumulated other comprehensive income (loss) at December 31, 2020	$	21	$	(4,218)	$	31,467	$	27,270
Other comprehensive income (loss) before reclassifications	(59)		—		(11,440)		(11,499)
Amounts reclassified from accumulated other comprehensive income (loss)	27		25		—		52
Other comprehensive income (loss)	(32)		25		(11,440)		(11,447)
Accumulated other comprehensive income (loss) at March 31, 2021	$	(11)	$	(4,193)	$	20,027	$	15,823

	Unrealized Gains (Losses) on Available-for-Sale Debt Investments (1)		Defined Benefit Pension (2)		Foreign Currency Translation		Total
	(In thousands)
Accumulated other comprehensive income (loss) at December 31, 2019	$	—	$	(4,820)	$	23,935	$	19,115
Other comprehensive income (loss) before reclassifications	108		—		475		$	583
Amounts reclassified from accumulated other comprehensive income (loss)	—		11		—		$	11
Other comprehensive income (loss)	108		11		475		594
Accumulated other comprehensive income (loss) at March 31, 2020	$	108	$	(4,809)	$	24,410	$	19,709

(1) Amounts reclassified out of accumulated other comprehensive income (loss) are included as other (income) expense, net (Note 3).

(2) Amounts reclassified out of accumulated other comprehensive income (loss) are included as a component of net periodic pension cost (Note 12) or other (income) expense, net (Note 3).