Basis of Presentation (Tables)

6 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Summary of Disaggregation of Revenue by Segment and Product and Services

The following sets forth disaggregated reported revenue by segment and product and services for the three and six months ended September 30, 2020 and 2019:

	Three Months Ended September 30, 2020
	Satellite Services		Commercial Networks		Government Systems		Total Revenues
	(In thousands)
Product revenues	$	—	$	66,751	$	189,229	$	255,980
Service revenues		215,887		12,109		70,302		298,298
Total revenues	$	215,887	$	78,860	$	259,531	$	554,278
	Six Months Ended September 30, 2020
	Satellite Services		Commercial Networks		Government Systems		Total Revenues
	(In thousands)
Product revenues	$	—	$	121,870	$	384,744	$	506,614
Service revenues		417,871		24,152		136,129		578,152
Total revenues	$	417,871	$	146,022	$	520,873	$	1,084,766
	Three Months Ended September 30, 2019
	Satellite Services		Commercial Networks		Government Systems		Total Revenues
	(In thousands)
Product revenues	$	—	$	74,143	$	232,687	$	306,830
Service revenues		205,717		13,865		65,844		285,426
Total revenues	$	205,717	$	88,008	$	298,531	$	592,256
	Six Months Ended September 30, 2019
	Satellite Services		Commercial Networks		Government Systems		Total Revenues
	(In thousands)
Product revenues	$	—	$	139,044	$	431,401	$	570,445
Service revenues		402,532		27,976		128,340		558,848
Total revenues	$	402,532	$	167,020	$	559,741	$	1,129,293

Summary of Contract Assets and Liabilities

The following table presents contract assets and liabilities as of September 30, 2020 and March 31, 2020:

	As of September 30, 2020		As of March 31, 2020
	(In thousands)
Unbilled accounts receivable	$	72,135	$	75,661
Collections in excess of revenues and deferred revenues		169,612		123,019
Deferred revenues, long-term portion		84,923		80,802