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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, 2022 | Mar. 31, 2021
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 9 years |
Other acquired intangible assets, gross | $ 382,585 | $ 151,549
Other acquired intangible assets, accumulated amortization | (146,542) | (141,981)
Other acquired intangible assets, net | $ 236,043 | 9,568
Technology [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 7 years |
Other acquired intangible assets, gross | $ 154,624 | 78,185
Other acquired intangible assets, accumulated amortization | (71,582) | (71,549)
Other acquired intangible assets, net | $ 83,042 | 6,636
Contracts and Customer Relationships [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 10 years |
Other acquired intangible assets, gross | $ 164,635 | 55,161
Other acquired intangible assets, accumulated amortization | (53,250) | (52,229)
Other acquired intangible assets, net | $ 111,385 | 2,932
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 | $ 32,463 | 5,940
Other acquired intangible assets, accumulated amortization | (9,097) | (5,940)
Other acquired intangible assets, net | $ 23,366 |
Other [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 11 years |
Other acquired intangible assets, gross | $ 22,263 | 3,663
Other acquired intangible assets, accumulated amortization | (4,013) | $ (3,663)
Other acquired intangible assets, net | $ 18,250 |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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