Segment Information (Tables)

6 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Segment Revenues, Expenses and Operating Profits (Losses)

Segment revenues, expenses and operating profits (losses) for the three and six months ended September 30, 2025 and 2024 were as follows:

	Three Months Ended						Six Months Ended
	September 30, 2025			September 30, 2024			September 30, 2025			September 30, 2024
	(In thousands)
Revenues:
Communication services
Aviation services	$	300,732		$	261,987		$	593,624		$	519,142
Government satcom services		195,800			179,875			387,568			363,748
Maritime services		117,594			121,179			235,395			245,126
Fixed services and other services		155,691			184,853			330,428			386,489
Total services		769,817			747,894			1,547,015			1,514,505
Total products		66,838			78,491			117,011			138,667
Total communication services revenues		836,655			826,385			1,664,026			1,653,172
Defense and advanced technologies
Total services		51,693			50,420			100,865			104,530
Information security and cyber defense products		94,928			83,548			197,076			139,055
Space and mission systems products		78,231			78,782			166,204			152,088
Tactical networking products		74,193			80,034			142,472			151,444
Advanced technologies and other products		5,193			3,093			41,304			48,433
Total products		252,545			245,457			547,056			491,020
Total defense and advanced technologies revenues		304,238			295,877			647,921			595,550
Elimination of intersegment revenues		—			—			—			—
Total revenues	$	1,140,893		$	1,122,262		$	2,311,947		$	2,248,722
Expenses:
Communication services
Depreciation	$	240,219		$	261,070		$	486,968		$	499,463
Stock-based compensation expense		12,490			13,483			20,802			25,578
Other than acquired intangible assets amortization (1)		4,739			10,969			18,748			21,709
Acquisition and transaction related expenses		3,480			29,685			11,354			31,471
Other segment items (2)		504,342			511,645			1,013,893			1,033,479
Total communication services expenses (3)		765,270			826,852			1,551,765			1,611,700
Defense and advanced technologies
Depreciation		12,451			11,731			23,403			23,138
Stock-based compensation expense		7,632			9,300			14,027			16,387
Other than acquired intangible assets amortization (1)		6,650			4,872			11,543			9,321
Acquisition and transaction related expenses		1,600			4,865			3,451			5,380
Other segment items (2)		246,446			223,296			494,501			415,500
Total defense and advanced technologies expenses (3)		274,779			254,064			546,925			469,726
Total expenses	$	1,040,049		$	1,080,916		$	2,098,690		$	2,081,426
Operating profits (losses):
Communication services	$	71,385		$	(467	)	$	112,261		$	41,472
Defense and advanced technologies		29,459			41,813			100,996			125,824
Elimination of intersegment operating profits (losses)		—			—			—			—
Segment operating profit (loss) before corporate		100,844			41,346			213,257			167,296
Corporate:
Amortization of acquired intangible assets		(65,069	)		(66,024	)		(130,810	)		(132,239	)
Interest income		12,525			23,896			26,815			46,688
Interest expense		(93,487	)		(115,340	)		(193,844	)		(221,116	)
(Loss) gain on extinguishment of debt, net	—				(3,200	)		(288	)		(3,200	)
Other income (expense), net	—			—				(5,164	)	—
Income (loss) before income taxes	$	(45,187	)	$	(119,322	)	$	(90,034	)	$	(142,571	)

(1)Including amortization of capitalized cloud computing implementation costs.

(2)Other segment items include operating expenses such as cost of service and product revenues, selling, general and administrative expenses, IR&D expenses and related activities excluding allocable portion of depreciation, other than acquired intangibles amortization, stock-based compensation, and certain significant items that are disclosed under each segment.

(3)For the three and six months ended September 30, 2025, IR&D expense and related activities, including allocable depreciation, stock-based compensation and other expenses were $21.7 million and $40.8 million, respectively, for the communication services segment, and $20.6 million and $35.6 million, respectively, for the defense and advanced technologies segment. For the three and six months ended September 30, 2024, IR&D expense and related activities, including allocable depreciation, stock-based compensation and other expenses were $19.7 million and $45.5 million, respectively, for the communication services segment, and $13.7 million and $26.5 million, respectively, for the defense and advanced technologies segment.

Revenues by Geographic Area

Revenues by geographic area for the three and six months ended September 30, 2025 and 2024 were as follows:

	Three Months Ended				Six Months Ended
	September 30, 2025		September 30, 2024		September 30, 2025		September 30, 2024
	(In thousands)
U.S. customers	$	779,662	$	776,785	$	1,594,995	$	1,553,280
Non-U.S. customers (each country individually insignificant)		361,231		345,477		716,952		695,442
Total revenues	$	1,140,893	$	1,122,262	$	2,311,947	$	2,248,722