Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2017

Equity [Abstract]

Summary of the balances of related after-tax components of accumulated other comprehensive income (loss)

The following table presents the balances of related after-tax components of accumulated other comprehensive income (loss).

	Accumulated Short-term Investment Transactions			Accumulated Currency Translation			Accumulated Postretirement Transactions			Accumulated Other Comprehensive Income (Loss)
	(in thousands)
Balance December 31, 2016	$	415		$	(2,015	)	$	(4,731	)	$	(6,331	)
Currency translation	—			1,270			—			1,270
Reclassifications related to pension plans, net of tax effect of $198 (1)	—			—			323			323
Unrealized gain on available for sale securities, net of tax effect of $552 (2)	1,025			—			—			1,025
Reclassifications related to available for sale securities, net of tax effect of $776 (3)	(1,440		)	—			—			(1,440		)
Balance September 30, 2017	$	—		$	(745	)	$	(4,408	)	$	(5,153	)

(1)—	These accumulated other comprehensive income components relate to amortization of actuarial loss/(gain) and prior period service costs/(benefits) and are included in the computation of net periodic costs for our pension plans. See Note 10 for further details and pre-tax amounts.
(2)—	The realized gain on available for sale securities sold, net of tax represents the change in fair value estimates that are based on quoted prices with an active trading market (Level 1). The pre-tax realized gain was recorded in other income/(loss) on the condensed consolidated statements of operation.
(3)—	The unrealized gain on available for sale securities, net of tax represents the change in fair value estimates that are based on quoted prices with an active trading market (Level 1).