Composition of Certain Balance Sheet Captions (Tables)

6 Months Ended

Sep. 30, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Composition of Certain Balance Sheet Captions

	As of September 30, 2019			As of March 31, 2019
	(In thousands)
Accounts receivable, net:
Billed	$	198,553		$	218,276
Unbilled		97,645			83,743
Allowance for doubtful accounts		(2,131	)		(1,712	)
	$	294,067		$	300,307
Inventories:
Raw materials	$	85,616		$	77,834
Work in process		55,493			52,084
Finished goods		128,408			104,600
	$	269,517		$	234,518
Prepaid expenses and other current assets:
Prepaid expenses	$	86,253		$	72,369
Other		18,751			18,277
	$	105,004		$	90,646
Property, equipment and satellites, net
Equipment and software (estimated useful life of 3-7 years)	$	1,129,678		$	1,027,293
CPE leased equipment (estimated useful life of 4-5 years)		383,858			373,357
Furniture and fixtures (estimated useful life of 7 years)		51,761			46,678
Leasehold improvements (estimated useful life of 2-17 years)		128,852			126,528
Building (estimated useful life of 12 years)		8,923			8,923
Land		2,291			2,291
Construction in progress		192,241			167,178
Satellites (estimated useful life of 12-17 years)		978,113			978,118
Satellite Ka-band capacity obtained under finance leases (estimated useful life of 7-11 years)		171,801			99,090
Satellites under construction		721,658			590,000
		3,769,176			3,419,456
Less: accumulated depreciation and amortization		(1,405,260	)		(1,294,166	)
	$	2,363,916		$	2,125,290
Other acquired intangible assets, net:
Technology (weighted average useful life of 6 years)	$	89,142		$	89,972
Contracts and customer relationships (weighted average useful life of 7 years)		103,101			103,283
Satellite co-location rights (weighted average useful life of 9 years)		8,600			8,600
Trade name (weighted average useful life of 3 years)		5,940			5,940
Other (weighted average useful life of 6 years)		9,953			9,989
		216,736			217,784
Less: accumulated amortization		(198,769	)		(195,483	)
	$	17,967		$	22,301
Other assets:
Investment in unconsolidated affiliate	$	162,096		$	160,711
Deferred income taxes		267,790			258,834
Capitalized software costs, net		242,273			244,368
Patents, orbital slots and other licenses, net		34,412			23,059
Other		82,043			71,833
	$	788,614		$	758,805
Accrued and other liabilities:
Collections in excess of revenues and deferred revenues	$	107,817		$	125,540
Accrued employee compensation		35,452			56,454
Accrued vacation		44,984			43,077
Warranty reserve, current portion		6,569			5,877
Operating lease liabilities		41,934			—
Other		93,255			77,320
	$	330,011		$	308,268
Other liabilities:
Deferred revenues, long-term portion	$	86,054		$	71,230
Deferred rent, long-term portion		—			16,810
Warranty reserve, long-term portion		3,148			1,707
Satellite performance incentive obligations, long-term portion		24,881			25,324
Other		4,741			5,755
	$	118,824		$	120,826