Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2015

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, 2012	$	1,213		$	1,562		$	(3,162	)	$	(387	)
Currency translation	—			(802		)	—			(802		)
Minimum pension liability re-valuation, net of tax effect of $1,893	—			—			2,877			2,877
Amortization of net actuarial gain, net of tax effect of $177	—			—			(1,969		)	(1,969		)
Unrealized gain on Available for Sale Securities, net of tax effect of $702 (1)	(1,213		)	—			—			(1,213		)
Balance December 31, 2013	$	—		$	760		$	(2,254	)	$	(1,494	)
Currency translation	—			(1,035		)	—			(1,035		)
Minimum pension liability re-valuation, net of tax effect of $1,755	—			—			(2,784		)	(2,784		)
Amortization of net actuarial gain, net of tax effect of $24							(36		)	(36		)
Balance December 31, 2014	$	—		$	(275	)	$	(5,074	)	$	(5,349	)
Currency translation	—			(1,955		)	—			(1,955		)
Minimum pension liability re-valuation, net of tax effect of $228	—			—			(414		)	(414		)
Amortization of net actuarial loss, net of tax effect of $293							463			463
Balance December 31, 2015	$	—		$	(2,230	)	$	(5,025	)	$	(7,255	)

(1)— This accumulated other comprehensive income component relates to realized gains on available for sale securities sold. See Note 4 for further details and pre-tax amounts.