Fair Value Measurements (Details)	3 Months Ended	9 Months Ended
Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)
Change in contingent consideration measured at fair value recurring basis using significant unobservable inputs (Level 3) [Roll Forward]
Net carrying amount of convertible notes	$ 33,226,000	$ 33,226,000	$ 30,994,000
Compound Net Derivative Liability [Member]
Change in contingent consideration measured at fair value recurring basis using significant unobservable inputs (Level 3) [Roll Forward]
Beginning balance	8,960,000	8,430,000
Changes in fair value of Compound Net Derivative Liability included in earnings	1,160,000	1,690,000
Ending balance	10,120,000	10,120,000
Net carrying amount of convertible notes	33,226,000	33,226,000	30,994,000
Unamortized debt discount and debt issuance costs	$ 8,894,000	$ 8,894,000	$ 9,436,000
Compound Net Derivative Liability [Member] \| Risk Free Interest Rate [Member]
Fair Value Valuation [Abstract]
Assumptions for fair value of Compound Net Derivative Liability	0.0402	0.0402	0.0364
Compound Net Derivative Liability [Member] \| Cost of Equity [Member]
Fair Value Valuation [Abstract]
Assumptions for fair value of Compound Net Derivative Liability	0.231	0.231	0.218
Compound Net Derivative Liability [Member] \| Weighted Average Cost of Capital [Member]
Fair Value Valuation [Abstract]
Assumptions for fair value of Compound Net Derivative Liability	0.155	0.155	0.146
Compound Net Derivative Liability [Member] \| Expected Volatility of MPA Common Stock [Member]
Fair Value Valuation [Abstract]
Assumptions for fair value of Compound Net Derivative Liability	0.50	0.50	0.50
Compound Net Derivative Liability [Member] \| EBITDA Volatility [Member]
Fair Value Valuation [Abstract]
Assumptions for fair value of Compound Net Derivative Liability	0.40	0.40	0.35
Level 3 [Member] \| Convertible Notes [Member]
Change in contingent consideration measured at fair value recurring basis using significant unobservable inputs (Level 3) [Roll Forward]
Estimated fair value of convertible notes	$ 39,226,000	$ 39,226,000
Recurring [Member]
Short-term investments [Abstract]
Mutual funds	2,206,000	2,206,000	$ 2,011,000
Prepaid expense and other current assets [Abstract]
Forward foreign currency exchange contracts	2,118,000	2,118,000	3,889,000
Other current liabilities [Abstract]
Deferred compensation	2,206,000	2,206,000	2,011,000
Convertible notes, related party [Abstract]
Compound Net Derivative Liability	10,120,000	10,120,000	8,430,000
Recurring [Member] \| Level 1 [Member]
Short-term investments [Abstract]
Mutual funds	2,206,000	2,206,000	2,011,000
Prepaid expense and other current assets [Abstract]
Forward foreign currency exchange contracts	0	0	0
Other current liabilities [Abstract]
Deferred compensation	2,206,000	2,206,000	2,011,000
Convertible notes, related party [Abstract]
Compound Net Derivative Liability	0	0	0
Recurring [Member] \| Level 2 [Member]
Short-term investments [Abstract]
Mutual funds	0	0	0
Prepaid expense and other current assets [Abstract]
Forward foreign currency exchange contracts	2,118,000	2,118,000	3,889,000
Other current liabilities [Abstract]
Deferred compensation	0	0	0
Convertible notes, related party [Abstract]
Compound Net Derivative Liability	0	0	0
Recurring [Member] \| Level 3 [Member]
Short-term investments [Abstract]
Mutual funds	0	0	0
Prepaid expense and other current assets [Abstract]
Forward foreign currency exchange contracts	0	0	0
Other current liabilities [Abstract]
Deferred compensation	0	0	0
Convertible notes, related party [Abstract]
Compound Net Derivative Liability	$ 10,120,000	$ 10,120,000	$ 8,430,000

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