Accumulated Other Comprehensive (Loss) Income (Tables)

12 Months Ended

Dec. 31, 2017

Changes in Accumulated Other Comprehensive (Loss) Income

Changes in accumulated other comprehensive (loss) income, which is presented net of tax, consists 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, 2015, net of tax of $0, (459), $(622)	$	(8,759	)	$	(1,414	)	$	2,029		$	(8,144	)

Other comprehensive (loss) income before reclassifications, net of tax of $0, $923, $34		(13,162	)		2,037			59			(11,066	)
Amounts reclassified from accumulated other comprehensive income, net of tax of $0, $(255), $(190)		—			(683	)		(321	)		(1,004	)

Net current period other comprehensive (loss) income, net of tax of $0, $668, $(156)		(13,162	)		1,354			(262	)		(12,070	)

Balance at December 31, 2016, net of tax of $0, $209, $(778)		(21,921	)		(60	)		1,767			(20,214	)

Other comprehensive income before reclassifications, net of tax of $0, $1,903, $0		37,840			1,863			—			39,703
Amounts reclassified from accumulated other comprehensive income, net of tax of $0, $(297), $(154)		—			(441	)		(272	)		(713	)

Net current period other comprehensive income, net of tax of $0, $1,606, $(154)		37,840			1,422			(272	)		38,990

Balance at December 31, 2017, net of tax of $0, $1,815, $(932)	$	15,919		$	1,362		$	1,495		$	18,776

Reclassifications Out of Accumulated Other Comprehensive Income to Statements of Operations

Reclassifications out of accumulated other comprehensive income to the statements of operations for the years ended December 31, 2017, 2016 and 2015, were as follows:


Details about Accumulated Other Comprehensive Income Components	For the year ended						Affected Line Item in the Statements of Operations
	December 31, 2017		December 31, 2016		December 31, 2015
	(in thousands)
Available-for-sale marketable securities
Unrealized gains, net of tax of $297, $255, $390	$	441	$	683	$	704		Interest income
Defined benefit pension and postretirement plans:
Amortization of prior service benefit, net of tax of $154, $190, $169		272		321		295		(a)

Total reclassifications, net of tax of $451, $445, $559	$	713	$	1,004	$	999		Net income

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