Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2016

Changes in accumulated other comprehensive income (loss)

Changes in accumulated other comprehensive income (loss), 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, 2014, net of tax of $1,598, $(453)	$	—		$	2,365		$	2,324		$	4,689
Other comprehensive loss before reclassifications, net of tax of $0, $(1,667)		(8,759	)		(3,075	)		—			(11,834	)
Amounts reclassified from accumulated other comprehensive income, net of tax of $(390), $(169)		—			(704	)		(295	)		(999	)

Net current period other comprehensive loss, net of tax of $0, $(2,057), $(169)		(8,759	)		(3,779	)		(295	)		(12,833	)

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			(11,125	)
Amounts reclassified from accumulated other comprehensive income, net of tax of $(255), $(190)		—			(683	)		(321	)		(945	)

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	)

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, 2016, 2015 and 2014, were as follows:


Details about Accumulated Other Comprehensive Income Components	For the year ended							Affected Line Item in the Statements of Operations
	December 31, 2016			December 31, 2015		December 31, 2014
	(in thousands)
Available-for-sale marketable securities:
Unrealized gains, net of tax of $255, $390, $645	$	683		$	704	$	1,433		Interest income

Defined benefit pension and postretirement plans:
Amortization of prior service credit, net of tax of $190, $169, $169		321			295		295		(1)
Prior service income arising during period, net of tax of $(34), $0, $0		(59	)		—		—

		262			295		295

Total reclassifications, net of tax of $411, $559, $814	$	945		$	999	$	1,728		Net income

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