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Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value Recurring Basis (Details) - Recurring [Member] - USD ($) | Sep. 30, 2025 | Mar. 31, 2025
--- | --- | ---
Short-term investments |  |
Mutual funds | $ 2,025,000 | $ 1,881,000
Prepaid expenses and other current assets |  |
Forward foreign currency exchange contracts | 2,685,000 | 0
Other current liabilities |  |
Deferred compensation | 2,025,000 | 1,881,000
Forward foreign currency exchange contracts | 0 | 1,663,000
Convertible notes, related party |  |
Compound Net Derivative Liability | 11,520,000 | 7,470,000
Level 1 [Member] |  |
Short-term investments |  |
Mutual funds | 2,025,000 | 1,881,000
Prepaid expenses and other current assets |  |
Forward foreign currency exchange contracts | 0 | 0
Other current liabilities |  |
Deferred compensation | 2,025,000 | 1,881,000
Forward foreign currency exchange contracts | 0 | 0
Convertible notes, related party |  |
Compound Net Derivative Liability | 0 | 0
Level 2 [Member] |  |
Short-term investments |  |
Mutual funds | 0 | 0
Prepaid expenses and other current assets |  |
Forward foreign currency exchange contracts | 2,685,000 | 0
Other current liabilities |  |
Deferred compensation | 0 | 0
Forward foreign currency exchange contracts | 0 | 1,663,000
Convertible notes, related party |  |
Compound Net Derivative Liability | 0 | 0
Level 3 [Member] |  |
Short-term investments |  |
Mutual funds | 0 | 0
Prepaid expenses and other current assets |  |
Forward foreign currency exchange contracts | 0 | 0
Other current liabilities |  |
Deferred compensation | 0 | 0
Forward foreign currency exchange contracts | 0 | 0
Convertible notes, related party |  |
Compound Net Derivative Liability | $ 11,520,000 | $ 7,470,000

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