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Composition of Certain Balance Sheet Captions - Composition of Certain Balance Sheet Captions (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Mar. 31, 2022
--- | --- | ---
Accounts receivable, net: |  |
Accounts receivable, Billed | $ 290,733 | $ 233,948
Accounts receivable, Unbilled | 92,600 | 85,383
Allowance for doubtful accounts | (14,506) | (7,159)
Accounts receivable, net | 368,827 | 312,172
Inventories: |  |
Raw materials | 83,939 | 62,520
Work in process | 23,285 | 21,702
Finished goods | 153,662 | 113,642
Inventories | 260,886 | 197,864
Prepaid expenses and other current assets: |  |
Prepaid expenses | 97,544 | 102,433
Other | 59,388 | 38,953
Prepaid expenses and other current assets | 156,932 | 141,386
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 6,446,566 | 5,719,303
Less: accumulated depreciation and amortization | (2,248,433) | (2,014,312)
Property and equipment, net | 4,198,133 | 3,704,991
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 374,108 | 382,585
Less: accumulated amortization | (166,934) | (146,542)
Other acquired intangible assets, net | 207,174 | 236,043
Other assets: |  |
Deferred income taxes | 230,295 | 304,642
Capitalized software costs, net | 220,417 | 217,159
Patents, orbital slots and other licenses, net | 74,060 | 62,200
Other | 142,975 | 115,279
Other assets | 667,747 | 699,280
Accrued and other liabilities: |  |
Collections in excess of revenues and deferred revenues | 115,509 | 131,623
Accrued employee compensation | 77,633 | 108,456
Accrued vacation | 41,444 | 48,097
Warranty reserve, current portion | 2,952 | 2,804
Operating lease liabilities | $ 51,627 | $ 49,988
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued and other liabilities | Accrued and other liabilities
Other | $ 156,568 | $ 141,596
Accrued and other liabilities | 445,733 | 482,564
Other liabilities: |  |
Deferred revenues, long-term portion | 87,343 | 88,983
Warranty reserve, long-term portion | 2,463 | 2,548
Satellite performance incentive obligations, long-term portion | 15,696 | 18,651
Deferred income taxes, long-term | 14,216 | 16,869
Other | 28,577 | 26,105
Other liabilities | 148,295 | 153,156
Technology [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 149,810 | 154,624
Contracts and Customer Relationships [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 161,901 | 164,635
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 | 32,126 | 32,463
Other [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 21,671 | 22,263
Satellites [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 1,054,983 | 1,059,182
Satellites under Construction [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 2,144,102 | 1,808,474
Equipment and Software [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 1,823,501 | 1,676,736
CPE Leased Equipment [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, cost | 385,356 | 395,539
Satellite Ka-band Capacity Obtained under Finance Leases [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 175,712 | 173,480
Furniture and Fixtures [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 59,219 | 57,847
Leasehold Improvements [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 151,816 | 149,982
Buildings [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 12,461 | 12,440
Land [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 3,849 | 3,944
Construction in Progress [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | $ 635,567 | $ 381,679

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