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Composition of Certain Balance Sheet Captions - Composition of Certain Balance Sheet Captions (Detail) - USD ($) $ in Thousands | Sep. 30, 2023 | Mar. 31, 2023
--- | --- | ---
Accounts receivable, net: |  |
Accounts receivable, Billed | $ 516,488 | $ 327,148
Accounts receivable, Unbilled | 164,643 | 104,889
Allowance for doubtful accounts | (16,649) | (12,103)
Accounts receivable, net | 664,482 | 419,934
Inventories: |  |
Raw materials | 102,415 | 68,655
Work in process | 31,534 | 25,347
Finished goods | 211,653 | 174,561
Inventories | 345,602 | 268,563
Prepaid expenses and other current assets: |  |
Insurance receivable | 770,000 |
Prepaid expenses | 157,646 | 115,701
Other | 152,697 | 60,928
Prepaid expenses and other current assets | 1,080,343 | 176,629
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 10,361,252 | 6,710,243
Less: accumulated depreciation and amortization | (2,653,196) | (2,331,960)
Property and equipment, net | 7,708,056 | 4,378,283
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 3,025,764 | 346,525
Less: accumulated amortization | (253,927) | (145,320)
Other acquired intangible assets, net | 2,771,837 | 201,205
Other assets: |  |
Deferred income taxes | 183,151 | 23,724
Capitalized software costs, net | 224,712 | 222,155
Patents, orbital slots and other licenses, net | 77,085 | 73,932
Other | 249,508 | 146,227
Other assets | 734,456 | 466,038
Accrued and other liabilities: |  |
Collections in excess of revenues and deferred revenues | 271,321 | 132,187
Accrued employee compensation | 151,389 | 125,349
Accrued vacation | 51,436 | 45,177
Operating lease liabilities | $ 65,942 | $ 50,639
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued and other liabilities | Accrued and other liabilities
Income taxes payable | $ 141,182 | $ 113,905
Other | 416,914 | 179,975
Accrued and other liabilities | 1,098,184 | 647,232
Other liabilities: |  |
Deferred revenues, long-term portion | 920,470 | 84,747
Deferred income taxes, long-term | 1,401,904 | 85,989
Other | 346,748 | 47,806
Other liabilities | 2,669,122 | 218,542
Contracts and Customer Relationships [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 1,287,129 | 132,563
Orbital Slots And Spectrum Assets [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 1,018,600 | 8,600
Technology [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 256,128 | 151,327
Trade Name [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 122,250 | 32,253
Other [Member] |  |
Other acquired intangible assets, net: |  |
Other acquired intangible assets, gross | 341,657 | 21,782
Satellites [Member] |  |
Prepaid expenses and other current assets: |  |
Insurance receivable | 770,000 |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 3,225,201 | 1,056,313
Satellites under Construction [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 1,700,090 | 2,252,908
Equipment and Software [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 3,202,111 | 1,917,243
CPE Leased Equipment [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, cost | 678,679 | 395,427
Satellite Ka-band Capacity Obtained under Finance Leases [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 177,581 | 175,712
Furniture and Fixtures [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 63,291 | 58,807
Leasehold Improvements [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 182,765 | 151,827
Buildings [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 16,247 | 12,487
Land [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | 29,388 | 3,873
Construction in Progress [Member] |  |
Property, equipment and satellites, net: |  |
Property, equipment and satellites, gross | $ 1,085,899 | $ 685,646

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