Composition of Certain Balance Sheet Captions (Tables)

6 Months Ended

Sep. 30, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Composition of Certain Balance Sheet Captions

	As of September 30, 2021			As of March 31, 2021
	(In thousands)
Accounts receivable, net:
Billed	$	272,689		$	172,559
Unbilled		102,111			70,785
Allowance for doubtful accounts		(5,578	)		(4,692	)
	$	369,222		$	238,652
Inventories:
Raw materials	$	86,810		$	98,338
Work in process		75,657			71,875
Finished goods		185,875			166,459
	$	348,342		$	336,672
Prepaid expenses and other current assets:
Prepaid expenses	$	96,144		$	94,405
Other		35,025			25,555
	$	131,169		$	119,960
Property, equipment and satellites, net:
Equipment and software (estimated useful life of 3-7 years)	$	1,634,630		$	1,505,697
CPE leased equipment (estimated useful life of 4-5 years)		405,349			409,942
Furniture and fixtures (estimated useful life of 7 years)		58,497			57,433
Leasehold improvements (estimated useful life of 2-17 years)		152,806			149,324
Buildings (estimated useful life of 12-38 years)		12,385			8,923
Land		3,973			2,291
Construction in progress		277,795			219,482
Satellites (estimated useful life of 7-17 years)		1,063,748			969,952
Satellite Ka-band capacity obtained under finance leases (estimated useful life of 7-11 years)		173,480			173,467
Satellites under construction		1,570,169			1,338,408
		5,352,832			4,834,919
Less: accumulated depreciation and amortization		(1,887,465	)		(1,784,436	)
	$	3,465,367		$	3,050,483
Other acquired intangible assets, net:
Technology (weighted average useful life of 7 years)	$	151,739		$	78,185
Contracts and customer relationships (weighted average useful life of 10 years)		168,204			55,161
Satellite co-location rights (weighted average useful life of 9 years)		8,600			8,600
Trade name (weighted average useful life of 7 years)		32,128			5,940
Other (weighted average useful life of 9 years)		18,641			3,663
		379,312			151,549
Less: accumulated amortization		(135,981	)		(141,981	)
	$	243,331		$	9,568
Other assets:
Investment in unconsolidated affiliate	$	—		$	176,938
Deferred income taxes		290,463			273,288
Capitalized software costs, net		228,910			237,100
Patents, orbital slots and other licenses, net		59,338			52,889
Other		107,774			95,212
	$	686,485		$	835,427
Accrued and other liabilities:
Collections in excess of revenues and deferred revenues	$	201,050		$	216,594
Accrued employee compensation		68,042			87,153
Accrued vacation		54,606			59,509
Warranty reserve, current portion		5,234			6,693
Operating lease liabilities		51,683			48,896
Other		130,478			113,986
	$	511,093		$	532,831
Other liabilities:
Deferred revenues, long-term portion	$	86,569		$	84,654
Warranty reserve, long-term portion		6,036			5,193
Satellite performance incentive obligations, long-term portion		20,471			22,191
Deferred income taxes, long-term		15,651			—
Other		35,220			25,312
	$	163,947		$	137,350