Investments in Affiliates (Narrative) (Details) (USD $)			3 Months Ended			3 Months Ended					3 Months Ended					3 Months Ended	9 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Telesat Holdings Inc [Member]	Mar. 31, 2013 Telesat Holdings Inc [Member]	Dec. 31, 2013 Telesat Holdings Inc [Member]	Mar. 31, 2014 XTAR, LLC [Member]	Mar. 31, 2009 XTAR, LLC [Member]	Dec. 31, 2013 XTAR, LLC [Member]	Dec. 31, 2009 XTAR, LLC [Member]	Dec. 31, 2008 XTAR, LLC [Member]	Mar. 31, 2014 12.5% Senior Subordinated Notes Due November 2017 [Member] Telesat Holdings Inc [Member]	Mar. 31, 2014 6% Senior Notes Due May 2017 [Member] Telesat Holdings Inc [Member] item	Mar. 31, 2014 Transaction, Consulting Agreement [Member] Telesat Holdings Inc [Member]	Mar. 31, 2013 Transaction, Consulting Agreement [Member] Telesat Holdings Inc [Member]	Mar. 31, 2014 Transaction, Tax Indemnification [Member] Telesat Holdings Inc [Member]	Jun. 30, 2013 Globalstar do Brasil S.A. [Member]	Sep. 30, 2013 Globalstar do Brasil S.A. [Member]	Mar. 31, 2013 Globalstar do Brasil S.A. [Member]
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates	$ 110,814,000	$ 116,820,000	$ 55,636,000		$ 60,157,000	$ 55,178,000		$ 56,663,000
Economic interest in affiliates			62.80%		62.80%
Voting interest in affiliate			32.70%		32.70%
Capital Expenditures			11,400,000	30,700,000
Equity method investment senior subordinated notes interest rate stated percentage											12.50%
Indenture maturity date											Nov. 01, 2017
Redemeption date of debt instrument											2013-05
Transaction income during the period													1,250,000	1,250,000
Interest on notes												6.00%
Interest expense multiplier to determine EBITDA available for dividend distribution												1.40
Transaction payments received during the period													1,200,000	0
Transaction payment in promissory notes													0	1,270,000
Tax indemnification current, net															5,400,000
Equity Method Investment Reduction Carrying Value															5,000,000
Percentage of ownership interest						56.00%
Lease obligation						25,000,000
Maximum annual lease obligation						28,000,000
Lease agreement, past due										32,300,000
Lease agreement, deferred amount									6,700,000
Deferred lease obligation, annual payment							5,000,000
Repayment term past due and deferred lease obligation, years							12 years
Discount rate for prepayment of restructured past due and deferred lease obligation							9.00%
Cumulative payments of restructured past due and deferred lease obligation						25,400,000
Loss Contingency, Estimate of Possible Loss																		4,800,000
Loss Contingency Accrual, Period Increase (Decrease)																	3,700,000
Loss Contingency Accrual, Payments																$ 3,700,000