Note 2 — Composition of Certain Balance Sheet Captions


	As of December 31, 2016			As of March 31, 2016
	(In thousands)
Accounts receivable, net:
Billed	$	126,592		$	146,309
Unbilled		129,724			141,568
Allowance for doubtful accounts		(1,557	)		(1,153	)

	$	254,759		$	286,724

Inventories:
Raw materials	$	53,756		$	46,757
Work in process		28,113			27,200
Finished goods		76,591			71,204

	$	158,460		$	145,161

Prepaid expenses and other current assets:
Prepaid expenses	$	49,589		$	41,784
Other		3,973			5,799

	$	53,562		$	47,583

Satellites, net:
Satellites (estimated useful life of 10-17 years)	$	559,380		$	559,094
Capital lease of satellite capacity — Anik F2 (estimated useful life of 10 years)		99,090			99,090
Satellites under construction		696,699			515,696

		1,355,169			1,173,880
Less: accumulated depreciation and amortization		(314,007	)		(275,683	)

	$	1,041,162		$	898,197

Property and equipment, net:
Equipment and software (estimated useful life of 2-7 years)	$	650,307		$	568,663
CPE leased equipment (estimated useful life of 4-5 years)		268,742			260,409
Furniture and fixtures (estimated useful life of 7 years)		29,767			25,501
Leasehold improvements (estimated useful life of 2-17 years)		79,823			71,895
Building (estimated useful life of 24 years)		8,923			8,923
Land		42,070			41,960
Construction in progress		99,976			73,535

		1,179,608			1,050,886
Less: accumulated depreciation		(633,933	)		(563,976	)

	$	545,675		$	486,910

Other acquired intangible assets, net:
Technology (weighted average useful life of 6 years)	$	87,214		$	74,848
Contracts and customer relationships (weighted average useful life of 7 years)		102,937			99,499
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)		9,895			8,717

		214,586			197,604
Less: accumulated amortization		(170,034	)		(164,000	)

	$	44,552		$	33,604


	As of December 31, 2016		As of March 31, 2016
	(In thousands)
Other assets:
Deferred income taxes	$	131,808	$	134,721
Capitalized software costs, net		196,620		163,061
Patents, orbital slots and other licenses, net		16,600		16,900
Other		35,314		25,323

	$	380,342	$	340,005

Accrued liabilities:
Collections in excess of revenues and deferred revenues	$	84,430	$	64,624
Accrued employee compensation		39,206		35,056
Accrued vacation		29,952		28,646
Warranty reserve, current portion		7,859		7,867
Current portion of other long-term debt		284		274
Other		37,339		47,877

	$	199,070	$	184,344

Other liabilities:
Deferred revenue, long-term portion	$	5,123	$	5,470
Deferred rent, long-term portion		10,387		8,808
Warranty reserve, long-term portion		3,644		3,567
Satellite performance incentives obligation, long-term portion		19,372		19,514
Deferred income taxes, long-term		2,213		12

	$	40,739	$	37,371