Goodwill, Regulatory Authorizations and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of regulatory authorizations with finite and indefinite useful lives

Regulatory authorizations included amounts with finite and indefinite useful lives, as follows:

	As of December 31, 2016			Additions			Currency Translation Adjustment			As of September 30, 2017
	(In thousands)
Finite useful lives:
Cost	$	87,959		$	—		$	6,086		$	94,045
Accumulated amortization	(14,983		)	(3,751		)	(1,411		)	(20,145		)
Net	72,976			(3,751		)	4,675			73,900
Indefinite lives	471,657			—			—			471,657
Total regulatory authorizations, net	$	544,633		$	(3,751	)	$	4,675		$	545,557

Schedule of other intangible assets subject to amortization

Our other intangible assets, which are subject to amortization, consisted of the following:

	Weighted Average Useful Life (in Years)	As of
		September 30, 2017							December 31, 2016
		Cost		Accumulated Amortization			Carrying Amount		Cost		Accumulated Amortization			Carrying Amount
		(In thousands)
Customer relationships	8	$	270,300	$	(228,355	)	$	41,945	$	270,300	$	(214,544	)	$	55,756
Technology-based	6	61,300		(60,905		)	395		60,835		(57,266		)	3,569
Trademark portfolio	20	29,700		(9,405		)	20,295		29,700		(8,291		)	21,409
Total other intangible assets		$	361,300	$	(298,665	)	$	62,635	$	360,835	$	(280,101	)	$	80,734