Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2013

Accumulated Other Comprehensive Income (Loss) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Changes in Accumulated Other Comprehensive Income (Loss) (net of tax) by component which are presented below (in thousands):
		Years Ended December 31, 2013
		Unrecognized Pension and Postretirement Benefit Costs			Net Unrealized Gains (Losses) on Marketable Securities			Net Losses on Cash Flow Hedges			Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2012		$	(75,737	)	$	22,194		$	(12,541	)	$	(66,084	)
	Other comprehensive income before reclassifications	51,371			14,482			—			65,853
	Amounts reclassified from accumulated other comprehensive income (loss)	3,036			(436		)	243			2,843
Balance at December 31, 2013		$	(21,330	)	$	36,240		$	(12,298	)	$	2,612

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Amounts reclassified from accumulated other comprehensive income (loss) for the twelve months ended December 31, 2013 are as follows ( in thousands):

Details about Accumulated Other Comprehensive Income (Loss) Components		2013			Affected Line Item in the Statement of Operations
Amortization of pension and postretirement benefit costs:
	Prior service benefit	$	5,560		(a)
	Net loss	(10,472		)	(a)
		(4,912		)	(a)
	Income tax effect	1,876
		(3,036		)	(a)
Marketable securities:
	Net realized gain on sale of securities	553			Investment and interest income, net
		553			Income before income taxes
		(117		)	Income tax expense
		436			Net income
Loss on cash flow hedge:
	Amortization of loss	(411		)	Interest on long-term debt and revolving credit facility
		(411		)	Income before income taxes
		168			Income tax expense
		(243		)	Net income
	Total reclassifications	$	(2,843	)

(a) These items are included in the computation of net periodic benefit cost. See Note M, Employee Benefits, for additional information.