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Fair Value Measurements - Narrative (Details) - USD ($)
 3 Months Ended 9 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Mar. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Equity method investments $ 18,700,000   $ 18,700,000   $ 18,000,000.0
Impairment of non-marketable investments 0 $ 0 0 $ 0  
Equity investments included in other assets 8,800,000   8,800,000   10,100,000
Financial assets impairment charges 0 0 0 0  
Impairment loss, before tax       9,600,000  
Impairment of non-financial assets 0 $ 0 0 $ 0  
Recurring | Level 1          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Investments in privately held companies $ 31,037,000   $ 31,037,000   $ 29,174,000