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Goodwill and Acquired Intangible Assets - Allocation of Other Acquired Intangible Assets and Related Accumulated Amortization (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 9 years |
Other acquired intangible assets, gross | $ 346,525 | $ 382,585
Other acquired intangible assets, accumulated amortization | (145,320) | (146,542)
Other acquired intangible assets, net | $ 201,205 | 236,043
Technology [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 7 years |
Other acquired intangible assets, gross | $ 151,327 | 154,624
Other acquired intangible assets, accumulated amortization | (83,949) | (71,582)
Other acquired intangible assets, net | $ 67,378 | 83,042
Contracts and Customer Relationships [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 11 years |
Other acquired intangible assets, gross | $ 132,563 | 164,635
Other acquired intangible assets, accumulated amortization | (34,202) | (53,250)
Other acquired intangible assets, net | $ 98,361 | 111,385
Satellite Co-Location Rights [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 9 years |
Other acquired intangible assets, gross | $ 8,600 | 8,600
Other acquired intangible assets, accumulated amortization | $ (8,600) | (8,600)
Trade Name [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 7 years |
Other acquired intangible assets, gross | $ 32,253 | 32,463
Other acquired intangible assets, accumulated amortization | (12,657) | (9,097)
Other acquired intangible assets, net | $ 19,596 | 23,366
Other [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 11 years |
Other acquired intangible assets, gross | $ 21,782 | 22,263
Other acquired intangible assets, accumulated amortization | (5,912) | (4,013)
Other acquired intangible assets, net | $ 15,870 | $ 18,250

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