Commitments And Contingencies (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Sep. 30, 2012
Contingencies And Commitments [Line Items]
Selling, general and administrative expenses for severance and related costs	$ 11,800,000
Restructuring costs	8,000,000
Restructuring liability	3,800,000
Orbitals receivable, net of fair value adjustment	18,000,000
Capital lease assets, accumulated amortization		700,000
Total orbital receivables related to satellite	101,000,000	417,496,000
Fresh Start fair value adjustment, orbital, net	6,500,000			6,500,000
Reduction to gain on sale	20,000,000
Operating leases, rent expense	15,951,000	16,234,000	18,911,000
Capital leases, lessee balance sheet assets	700,000	700,000	0
Property, Plant and Equipment, Other Types [Member]
Contingencies And Commitments [Line Items]
Capital lease assets from discontinued operations	3,400,000
Discontinued Operations [Member]
Contingencies And Commitments [Line Items]
Operating leases, rent expense	$ 14,900,000	$ 15,100,000	$ 17,500,000