Discontinued Operations (Summarized (Loss) Income from Discontinued Operations, Net Of Tax) (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Discontinued Operation, Additional Disclosures [Abstract]
Operating revenues	$ 20,907	$ 151,347	$ 37,181	$ 293,321
Operating costs and expenses	(12,568)	(154,598)	(22,701)	(322,675)
Income (loss) from discontinued operations	8,339	(3,251)	14,480	(29,354)
Expense (benefit) from income taxes	2,913	(1,300)	4,939	(10,476)
Net Income (Loss) from Discontinued Operations	5,426	(1,951)	9,541	(18,878)
Gain (loss) on sales of discontinued operations	358,964	0	354,227	(70)
Benefit from income taxes on sales of discontinued operations	(16,075)	0	(17,769)	(24)
Income (Loss) from Discontinued Operations, Net of Tax	$ 380,465	$ (1,951)	$ 381,537	$ (18,924)