Stock-Based Compensation (Schedule Of Grants And Vesting For SS/L Phantom SAR's) (Details)	12 Months Ended
	Dec. 31, 2012
Grant Date June-2009 [Member]
SARs granted	225,000
% of Grant Vesting on March 18th 2010	50.00%
% of Grant Vesting on March 18th 2011	25.00%
% of Grant Vesting on March 18th 2012	25.00%
Grant Date May-2010 [Member]
SARs granted	140,000
% of Grant Vesting on March 18th 2011	25.00%
% of Grant Vesting on March 18th 2012	25.00%
% of Grant Vesting on March 18th 2013	25.00%
% of Grant Vesting on March 18th 2014	25.00%