Other Income/(Loss), Net - Summary of The Group's Other income, net (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Other Income and Expenses [Abstract] | |||
| Interest income from corporate investments | $ 63.0 | $ 42.5 | $ 24.8 |
| Gain/(loss) on available-for-sale debt securities | 7.6 | (42.5) | (3.7) |
| Interest expense | (19.5) | (15.0) | (24.1) |
| Foreign exchange gain/(loss) | 3.6 | (5.1) | 2.4 |
| Other | 15.0 | 9.4 | 7.2 |
| Total other income/(loss), net | $ 69.7 | $ (10.7) | $ 6.6 |
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- Definition Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of operating interest income, including amortization and accretion of premiums and discounts, on corporate debt securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Foreign exchange gain loss. No definition available.
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