Commitments And Contingencies (Details) (USD $)	3 Months Ended				9 Months Ended				1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2012 SSL Services [Member]	Sep. 30, 2014 SSL Services [Member]	Sep. 30, 2014 SSL Services [Member]
Loss Contingency, Information about Litigation Matters [Abstract]
Final damages awarded, confirmed by court									$ 10,000,000.0
Enhanced damages awarded									5,000,000
Prejudgment interest on damages award									5,000,000
Accrual for estimated damages and related interest	$ 20,727,000	[1]	$ 0	[1]	$ 20,727,000	[1]	$ 0	[1]		$ 20,727,000	$ 20,727,000

[1] Represents expenses presented to management on a consolidated basis only and not allocated to the operating segments.