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v3.25.1

Fair Value Measurements (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Equity method investment | $ 18,400,000 | $ 18,000,000.0 |
Impairment of equity method investments | 0 | 0 | $ 21,400,000
Initial cost basis of securities | 8,800,000 | 10,100,000 |
Equity securities without readily determinable fair value, upward price adjustment, annual amount |  |  | 6,900,000
Financial asset impairment charges | 0 | 0 |
Impairment loss, before tax |  | 9,600,000 |
Impairment of intangible assets | 0 | 3,526,000 | 0
Non-financial asset impairment charges | 0 |  | $ 0
Level 1 | Recurring |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Investments for deferred compensation plan | $ 29,006,000 | $ 29,174,000 |

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