Basis of Presentation (Tables)

9 Months Ended

Dec. 31, 2025

Accounting Policies [Abstract]

Summary of Disaggregation of Revenue by Segment and Products and Services

The following sets forth disaggregated reported revenue by segment and products and services for the three and nine months ended December 31, 2025 and 2024:

	Three Months Ended December 31, 2025
	Communication Services		Defense and Advanced Technologies		Total Revenues
	(In thousands)
Service revenues	$	765,576	$	57,242	$	822,818
Product revenues		59,766		274,461		334,227
Total revenues	$	825,342	$	331,703	$	1,157,045
	Nine Months Ended December 31, 2025
	Communication Services		Defense and Advanced Technologies		Total Revenues
	(In thousands)
Service revenues	$	2,312,591	$	158,107	$	2,470,698
Product revenues		176,777		821,517		998,294
Total revenues	$	2,489,368	$	979,624	$	3,468,992

	Three Months Ended December 31, 2024
	Communication Services		Defense and Advanced Technologies		Total Revenues
	(In thousands)
Service revenues	$	758,985	$	50,385	$	809,370
Product revenues		61,362		253,035		314,397
Total revenues	$	820,347	$	303,420	$	1,123,767
	Nine Months Ended December 31, 2024
	Communication Services		Defense and Advanced Technologies		Total Revenues
	(In thousands)
Service revenues	$	2,273,490	$	154,915	$	2,428,405
Product revenues		200,029		744,055		944,084
Total revenues	$	2,473,519	$	898,970	$	3,372,489

Summary of Contract Assets and Liabilities

The following table presents contract assets and liabilities as of December 31, 2025 and March 31, 2025:

	As of  December 31, 2025		As of  March 31, 2025
	(In thousands)
Unbilled accounts receivable	$	227,751	$	180,871
Collections in excess of revenues and deferred revenues		294,152		294,034
Deferred revenues, long-term portion		1,078,238		786,710