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Composition of Certain Balance Sheet Captions | 6 Months Ended
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Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Composition of Certain Balance Sheet Captions | Note 2 — Composition of Certain Balance Sheet Captions
|  | As of September 30, 2025 |  |  | As of March 31, 2025 |
|  | (In thousands) |
Accounts receivable, net: |  |  |  |  |  |
Billed |  | $ | 528,343 |  |  | $ | 539,522 |
Unbilled |  |  | 175,829 |  |  |  | 180,871 |
Allowance for doubtful accounts |  |  | (21,352 | ) |  |  | (20,841 | )
|  | $ | 682,820 |  |  | $ | 699,552 |
Inventories: |  |  |  |  |  |
Raw materials |  | $ | 99,904 |  |  | $ | 96,893 |
Work in process |  |  | 16,495 |  |  |  | 19,761 |
Finished goods |  |  | 162,259 |  |  |  | 177,289 |
|  | $ | 278,658 |  |  | $ | 293,943 |
Prepaid expenses and other current assets: |  |  |  |  |  |
Prepaid expenses |  | $ | 160,295 |  |  | $ | 176,694 |
Other |  |  | 83,528 |  |  |  | 105,649 |
|  | $ | 243,823 |  |  | $ | 282,343 |
Property, equipment and satellites, net: |  |  |  |  |  |
Equipment and software (estimated useful life of 3-7 years) |  | $ | 4,012,660 |  |  | $ | 3,837,083 |
CPE leased equipment (estimated useful life of 4-7 years) |  |  | 527,085 |  |  |  | 525,972 |
Furniture and fixtures (estimated useful life of 7 years) |  |  | 56,449 |  |  |  | 58,153 |
Leasehold improvements (estimated useful life of 2-20 years) |  |  | 318,656 |  |  |  | 313,249 |
Buildings (estimated useful life of 12-38 years) |  |  | 15,388 |  |  |  | 15,388 |
Land |  |  | 19,661 |  |  |  | 19,661 |
Construction in progress |  |  | 730,119 |  |  |  | 722,194 |
Satellites (estimated useful life of 7-17 years) |  |  | 3,412,688 |  |  |  | 3,405,067 |
Satellite Ka-band capacity obtained under finance leases (estimated useful life of 7-15 years) |  |  | 338,201 |  |  |  | 338,201 |
Satellites under construction |  |  | 2,380,377 |  |  |  | 2,205,305 |
|  |  | 11,811,284 |  |  |  | 11,440,273 |
Less: accumulated depreciation and amortization |  |  | (4,526,027 | ) |  |  | (4,034,609 | )
|  | $ | 7,285,257 |  |  | $ | 7,405,664 |
Acquired intangible assets, net: |  |  |  |  |  |
Contracts and customer relationships (weighted average useful life of 11 years) |  | $ | 1,433,184 |  |  | $ | 1,432,562 |
Orbital slots and spectrum assets (weighted average useful life of 12 years) |  |  | 1,088,600 |  |  |  | 1,088,600 |
Technology (weighted average useful life of 7 years) |  |  | 224,394 |  |  |  | 247,921 |
Trade names (weighted average useful life of 8 years) |  |  | 114,587 |  |  |  | 116,949 |
Other (weighted average useful life of 9 years) |  |  | 18,615 |  |  |  | 18,017 |
|  |  | 2,879,380 |  |  |  | 2,904,049 |
Less: accumulated amortization |  |  | (752,484 | ) |  |  | (633,272 | )
|  | $ | 2,126,896 |  |  | $ | 2,270,777 |
Other assets: |  |  |  |  |  |
Deferred income taxes |  | $ | 136,546 |  |  | $ | 160,452 |
Capitalized software costs, net |  |  | 282,422 |  |  |  | 264,492 |
Patents, orbital slots and other licenses, net |  |  | 125,832 |  |  |  | 119,193 |
Other |  |  | 312,771 |  |  |  | 301,641 |
|  | $ | 857,571 |  |  | $ | 845,778 |
Accrued and other liabilities: |  |  |  |  |  |
Collections in excess of revenues and deferred revenues |  | $ | 288,357 |  |  | $ | 294,034 |
Accrued employee compensation |  |  | 110,021 |  |  |  | 185,556 |
Accrued vacation |  |  | 47,088 |  |  |  | 46,651 |
Operating lease liabilities |  |  | 67,591 |  |  |  | 65,310 |
Interest payable |  |  | 50,008 |  |  |  | 52,183 |
Other |  |  | 251,035 |  |  |  | 264,795 |
|  | $ | 814,100 |  |  | $ | 908,529 |
Other liabilities: |  |  |  |  |  |
Deferred revenues, long-term portion |  | $ | 777,631 |  |  | $ | 786,710 |
Deferred income taxes |  |  | 963,978 |  |  |  | 1,069,717 |
Other |  |  | 307,781 |  |  |  | 324,726 |
|  | $ | 2,049,390 |  |  | $ | 2,181,153 |

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