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Composition of Certain Balance Sheet Captions - Composition of Certain Balance Sheet Captions (Detail) - USD ($) $ in Thousands | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024
--- | --- | --- | ---
Accounts receivable, net: |  |  |
Accounts receivable, Billed |  | $ 546,790 | $ 545,081
Accounts receivable, Unbilled |  | 173,967 | 156,322
Allowance for doubtful accounts |  | (25,868) | (23,193)
Accounts receivable, net |  | 694,889 | 678,210
Inventories: |  |  |
Raw materials |  | 100,978 | 89,778
Work in process |  | 33,153 | 31,884
Finished goods |  | 195,698 | 196,216
Inventories |  | 329,829 | 317,878
Prepaid expenses and other current assets: |  |  |
Insurance receivable |  | 182,000 | 261,500
Prepaid expenses |  | 189,525 | 185,892
Other |  | 119,259 | 134,391
Prepaid expenses and other current assets |  | 490,784 | 581,783
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | 10,856,813 | 10,651,781
Less: accumulated depreciation and amortization |  | (3,325,004) | (3,094,575)
Property and equipment, net |  | 7,531,809 | 7,557,206
Other acquired intangible assets, net: |  |  |
Other acquired intangible assets, gross |  | 2,912,903 | 2,917,299
Less: accumulated amortization |  | (437,411) | (372,832)
Other acquired intangible assets, net |  | 2,475,492 | 2,544,467
Other assets: |  |  |
Deferred income taxes |  | 164,909 | 163,590
Capitalized software costs, net |  | 245,134 | 240,597
Patents, orbital slots and other licenses, net |  | 115,036 | 112,535
Other |  | 226,746 | 217,225
Other assets |  | 751,825 | 733,947
Accrued and other liabilities: |  |  |
Collections in excess of revenues and deferred revenues |  | 277,665 | 260,264
Accrued employee compensation |  | 85,092 | 177,854
Accrued vacation |  | 49,576 | 48,636
Operating lease liabilities |  | $ 69,808 | $ 71,561
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Accrued and other liabilities | Accrued and other liabilities
Interest payable |  | $ 75,534 | $ 127,098
Other |  | 233,427 | 265,208
Accrued and other liabilities |  | 791,102 | 950,621
Other liabilities: |  |  |
Deferred revenues, long-term portion |  | 878,053 | 896,402
Deferred income taxes |  | 1,223,012 | 1,228,270
Other |  | 321,213 | 327,428
Other liabilities |  | 2,422,278 | 2,452,100
Contracts and Customer Relationships [Member] |  |  |
Other acquired intangible assets, net: |  |  |
Other acquired intangible assets, gross |  | 1,436,728 | 1,437,738
Orbital Slots And Spectrum Assets [Member] |  |  |
Other acquired intangible assets, net: |  |  |
Other acquired intangible assets, gross |  | 1,088,600 | 1,088,600
Technology [Member] |  |  |
Other acquired intangible assets, net: |  |  |
Other acquired intangible assets, gross |  | 248,846 | 251,889
Trade Names [Member] |  |  |
Other acquired intangible assets, net: |  |  |
Other acquired intangible assets, gross |  | 116,990 | 117,280
Other [Member] |  |  |
Other acquired intangible assets, net: |  |  |
Other acquired intangible assets, gross |  | 21,739 | 21,792
Equipment and Software [Member] |  |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | 3,051,930 | 2,992,325
CPE Leased Equipment [Member] |  |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, cost |  | 554,648 | 567,548
Furniture and Fixtures [Member] |  |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | 65,338 | 65,433
Leasehold Improvements [Member] |  |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | 211,668 | 209,162
Buildings [Member] |  |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | 16,649 | 16,647
Land [Member] |  |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | 20,789 | 20,787
Construction in Progress [Member] |  |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | 1,361,156 | 1,301,376
Satellites [Member] |  |  |
Prepaid expenses and other current assets: |  |  |
Insurance receivable | $ 770,000 |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | 3,325,299 | 3,324,458
Satellite Ka-band Capacity Obtained under Finance Leases [Member] |  |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | 177,576 | 177,576
Satellites under Construction [Member] |  |  |
Property, equipment and satellites, net: |  |  |
Property, equipment and satellites, gross |  | $ 2,071,760 | $ 1,976,469

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