Other Comprehensive Income (Loss) Other Comprehensive Income (Loss) Net of Tax (Tables)

6 Months Ended

Jun. 30, 2018

Statement of Comprehensive Income [Abstract]

Comprehensive Income (Loss) [Table Text Block]

ther comprehensive income (loss) components, net of income tax, are shown in the following table for the three-month and six-month periods ended June 30, 2018 and 2017:

(in thousands)		Changes in pension plan assets and benefit obligations			Change in unrealized losses on debt securities			Total
Beginning balance at April 1, 2018		$	(26,701	)	$	(25,940	)	$	(52,641	)
	Other comprehensive loss before reclassifications	—			(2,368		)	(2,368		)
	Amounts reclassified from accumulated other comprehensive loss	—			—			—
Activity for the period		—			(2,368		)	(2,368		)
Ending balance at June 30, 2018		$	(26,701	)	$	(28,308	)	$	(55,009	)
Beginning balance at April 1, 2017		$	(14,740	)	$	(1,983	)	$	(16,723	)
	Other comprehensive income before reclassifications	—			3,011			3,011
	Amounts reclassified from accumulated other comprehensive loss	—			—			—
Net current period other comprehensive income		—			3,011			3,011
Ending balance at June 30, 2017		$	(14,740	)	$	1,028		$	(13,712	)

(in thousands)		Changes in pension plan assets and benefit obligations			Change in unrealized losses on debt securities			Total
Beginning balance at January 1, 2018		$	(23,526	)	$	(2,928	)	$	(26,454	)
	Other comprehensive loss before reclassifications	—			(25,778		)	(25,778		)
	Reclassification of disproportionate income tax effects	(3,175		)	(631		)	(3,806		)
	Cumulative effect of change in accounting principle for marketable equity securities, net of tax	—			(995		)	(995		)
	Amounts reclassified from accumulated other comprehensive loss	—			2,024			2,024
Activity for the period		(3,175		)	(25,380		)	(28,555		)
Ending balance at June 30, 2018		$	(26,701	)	$	(28,308	)	$	(55,009	)
Beginning balance at January 1, 2017		$	(14,740	)	$	(3,005	)	$	(17,745	)
	Other comprehensive income before reclassifications	—			4,033			4,033
	Amounts reclassified from accumulated other comprehensive loss	—			—			—
Net current period other comprehensive income		—			4,033			4,033
Ending balance at June 30, 2017		$	(14,740	)	$	1,028		$	(13,712	)