Fair Value Measurements (Details)	12 Months Ended
Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Other current liabilities [Abstract]
Deferred compensation	$ 2,011,000	$ 2,202,000
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	0
Newly issued	8,430,000
Changes in revaluation of Compound Net Derivative Liability included in earnings	0
Exercises/settlements	0
Ending balance	$ 8,430,000
Compound Net Derivative Liability [Member] \| Risk Free Interest Rate [Member]
Fair Value Valuation [Abstract]
Assumptions for fair value of Compound Net Derivative Liability	0.0364
Compound Net Derivative Liability [Member] \| Cost of Equity [Member]
Fair Value Valuation [Abstract]
Assumptions for fair value of Compound Net Derivative Liability	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	0.146
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
Compound Net Derivative Liability [Member] \| EBITDA Volatility [Member]
Fair Value Valuation [Abstract]
Assumptions for fair value of Compound Net Derivative Liability	0.35
Recurring [Member]
Short-Term Investments [Abstract]
Mutual funds	$ 2,011,000	2,202,000
Prepaid Expenses and Other Current Assets [Abstract]
Forward foreign currency exchange contracts	3,889,000	1,113,000
Other current liabilities [Abstract]
Deferred compensation	2,011,000	2,202,000
Convertible notes, related party [Abstract]
Compound Net Derivative Liability	8,430,000	0
Recurring [Member] \| Level 1 [Member]
Short-Term Investments [Abstract]
Mutual funds	2,011,000	2,202,000
Prepaid Expenses and Other Current Assets [Abstract]
Forward foreign currency exchange contracts	0	0
Other current liabilities [Abstract]
Deferred compensation	2,011,000	2,202,000
Convertible notes, related party [Abstract]
Compound Net Derivative Liability	0	0
Recurring [Member] \| Level 2 [Member]
Short-Term Investments [Abstract]
Mutual funds	0	0
Prepaid Expenses and Other Current Assets [Abstract]
Forward foreign currency exchange contracts	3,889,000	1,113,000
Other current liabilities [Abstract]
Deferred compensation	0	0
Convertible notes, related party [Abstract]
Compound Net Derivative Liability	0	0
Recurring [Member] \| Level 3 [Member]
Short-Term Investments [Abstract]
Mutual funds	0	0
Prepaid Expenses and Other Current Assets [Abstract]
Forward foreign currency exchange contracts	0	0
Other current liabilities [Abstract]
Deferred compensation	0	0
Convertible notes, related party [Abstract]
Compound Net Derivative Liability	$ 8,430,000	$ 0

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The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.

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Value of input used to measure embedded derivative liability.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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