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Composition of Certain Balance Sheet Captions - Composition of Certain Balance Sheet Captions (Detail) - USD ($) $ in Thousands | Sep. 30, 2020 | Mar. 31, 2020
--- | --- | ---
Accounts receivable, net: |  |
Accounts receivable, Billed | $ 185,907 | $ 260,431
Accounts receivable, Unbilled | 72,135 | 75,661
Allowance for doubtful accounts | (8,461) | (5,394)
Accounts receivable, net | 249,581 | 330,698
Inventories: |  |
Raw materials | 89,799 | 83,353
Work in process | 66,586 | 59,429
Finished goods | 176,542 | 151,634
Inventories | 332,927 | 294,416
Prepaid expenses and other current assets: |  |
Prepaid expenses | 83,094 | 84,872
Other | 25,084 | 31,409
Prepaid expenses and other current assets | 108,178 | 116,281
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 4,498,958 | 4,101,634
Less: accumulated depreciation and amortization | (1,650,318) | (1,514,899)
Property and equipment, net | 2,848,640 | 2,586,735
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 214,849 | 213,281
Less: accumulated amortization | (202,819) | (198,842)
Other acquired intangible assets, net | 12,030 | 14,439
Other assets: |  |
Investment in unconsolidated affiliate | 162,168 | 160,204
Deferred income taxes | 287,384 | 276,331
Capitalized software costs, net | 243,195 | 242,741
Patents, orbital slots and other licenses, net | 47,601 | 39,135
Other | 99,724 | 88,941
Other assets | 840,072 | 807,352
Accrued and other liabilities: |  |
Collections in excess of revenues and deferred revenues | 169,612 | 123,019
Accrued employee compensation | 45,756 | 72,654
Accrued vacation | 54,206 | 48,963
Warranty reserve, current portion | 6,528 | 6,233
Operating lease liabilities | $ 48,319 | $ 42,146
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | vsat:AccruedAndOtherLiabilitiesCurrent | vsat:AccruedAndOtherLiabilitiesCurrent
Other | $ 98,597 | $ 98,175
Accrued and other liabilities | 423,018 | 391,190
Other liabilities: |  |
Deferred revenues, long-term portion | 84,923 | 80,802
Warranty reserve, long-term portion | 5,991 | 5,410
Satellite performance incentive obligations, long-term portion | 23,805 | 24,349
Other | 28,641 | 10,373
Other liabilities | 143,360 | 120,934
Technology [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 90,481 | 89,228
Contracts and Customer Relationships [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 103,417 | 103,114
Satellite Co-Location Rights [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 8,600 | 8,600
Trade Name [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 5,940 | 5,940
Other [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 6,411 | 6,399
Satellites [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 969,952 | 969,952
Satellites under Construction [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 1,145,890 | 906,720
Equipment and Software [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 1,392,503 | 1,229,926
CPE Leased Equipment [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 408,732 | 399,343
Less: accumulated depreciation and amortization | (179,100) | (165,700)
Satellite Ka-band Capacity Obtained under Finance Leases [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 171,603 | 171,801
Furniture and Fixtures [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 56,002 | 54,688
Leasehold Improvements [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 147,752 | 137,287
Building [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 8,923 | 8,923
Land [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 2,291 | 2,291
Construction in Progress [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | $ 195,310 | $ 220,703

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