Accumulated Other Comprehensive Income (Loss) (Components of Other Comprehensive Income and Related Tax Effects) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Accumulated Other Comprehensive Loss [Abstract]
Net actuarial gain (loss) and prior service credits, Before-Tax Amount	$ 103	[1]	$ 1,513	[1]	$ 206	[1]	$ 3,014	[1]
Proportionate share of Telesat Holdco other comprehensive income (loss), Before-Tax Amount	355		(718)		1,481
Other comprehensive income (loss), Before-Tax Amount	458		795		1,687		3,014
Net actuarial gain (loss) and prior service credits, Tax (Provision) Benefit	(38)		(578)		(77)		(1,151)
Proportionate share of Telesat Holdco other comprehensive income (loss), Tax (Provision) Benefit	(134)		274		(561)
Other comprehensive income, Tax (Provision) Benefit	(172)		(304)		(638)		(1,151)
Net actuarial gain (loss) and prior service credits, Net-of Tax Amount	65		935		129		1,863
Proportionate share of Telesat Holdco other comprehensive income (loss), Net-of Tax Amount	221		(444)		920
Other comprehensive income (loss), Net-of Tax Amount	$ 286		$ 491		$ 1,049		$ 1,863

[1] Reclassifications are included in general and administrative expenses.