Note 2 — Composition of Certain Balance Sheet Captions


	As of June 30, 2017			As of March 31, 2017
	(In thousands)
Accounts receivable, net:
Billed	$	115,662		$	145,626
Unbilled		101,564			119,565
Allowance for doubtful accounts		(2,173	)		(1,470	)

	$	215,053		$	263,721

Inventories:
Raw materials	$	62,503		$	56,096
Work in process		35,846			25,820
Finished goods		79,594			81,285

	$	177,943		$	163,201

Prepaid expenses and other current assets:
Prepaid expenses	$	56,751		$	51,856
Other		9,443			5,980

	$	66,194		$	57,836

Satellites, net:
Satellites (estimated useful life of 10-17 years)	$	559,380		$	559,380
Capital lease of satellite capacity — Anik F2 (estimated useful life of 10 years)		99,090			99,090
Satellites under construction		814,909			776,354

		1,473,379			1,434,824
Less: accumulated depreciation and amortization		(339,241	)		(326,554	)

	$	1,134,138		$	1,108,270

Property and equipment, net:
Equipment and software (estimated useful life of 2-7 years)	$	707,190		$	679,008
CPE leased equipment (estimated useful life of 4-5 years)		266,190			271,917
Furniture and fixtures (estimated useful life of 7 years)		32,424			30,539
Leasehold improvements (estimated useful life of 2-17 years)		87,575			80,727
Building (estimated useful life of 24 years)		8,923			8,923
Land		14,573			14,573
Construction in progress		131,653			116,902

		1,248,528			1,202,589
Less: accumulated depreciation		(689,142	)		(661,981	)

	$	559,386		$	540,608

Other acquired intangible assets, net:
Technology (weighted average useful life of 6 years)	$	88,827		$	87,592
Contracts and customer relationships (weighted average useful life of 7 years)		103,346			103,034
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)		10,017			9,925

		216,730			215,091
Less: accumulated amortization		(177,233	)		(173,414	)

	$	39,497		$	41,677

Other assets:
Investment in unconsolidated affiliate	$	144,289		$	141,894
Deferred income taxes		200,880			134,764
Capitalized software costs, net		211,766			203,686
Patents, orbital slots and other licenses, net		16,400			16,500
Other		32,193			32,522

	$605,528			$529,366

Accrued liabilities:
Collections in excess of revenues and deferred revenues	$	89,129		$	76,682
Accrued employee compensation		23,472			41,691
Accrued vacation		34,759			33,214
Warranty reserve, current portion		7,168			7,796
Other		49,703			65,576

	$204,231			$224,959

Other liabilities:
Deferred revenue, long-term portion	$	68,358		$	4,617
Deferred rent, long-term portion		11,839			10,743
Warranty reserve, long-term portion		2,635			3,262
Satellite performance incentives obligation, long-term portion		18,940			19,164
Deferred income taxes, long-term		513			1,936
Other		7,605			3,000

	$109,890			$42,722