Fair Value Measurements - Fair Value of Assets and Liabilities on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023
ASSETS
Marketable securities	$ 146,432	$ 139,612
LIABILITIES
Convertible senior notes, net, noncurrent	267,565	266,843
Fair Value, Measurements, Recurring \| Carrying Value
ASSETS
Cash and cash equivalents	53,867	98,719
Restricted cash and cash equivalents	4,914	7,269
Marketable securities	146,432	139,612
Total	205,213	245,600
LIABILITIES
Contingent consideration related to acquisitions	4,200	3,800
Convertible senior notes, net, noncurrent	267,565	266,843
Total	271,765	270,643
Fair Value, Measurements, Recurring \| Carrying Value \| Cash and Money Market Funds
ASSETS
Cash and cash equivalents	52,077	73,754
Fair Value, Measurements, Recurring \| Carrying Value \| Commercial Paper
ASSETS
Cash and cash equivalents	1,790	10,795
Marketable securities	16,779	18,141
Fair Value, Measurements, Recurring \| Carrying Value \| United States Treasury Securities
ASSETS
Cash and cash equivalents		9,979
Marketable securities	70,937	56,890
Fair Value, Measurements, Recurring \| Carrying Value \| Corporate Notes and Bonds
ASSETS
Cash and cash equivalents		3,349
Marketable securities	25,984	26,590
Fair Value, Measurements, Recurring \| Carrying Value \| Agency Securities
ASSETS
Cash and cash equivalents		842
Marketable securities	32,732	37,991
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Measurements, Recurring \| Fair Value
ASSETS
Cash and cash equivalents	52,077	73,754
Restricted cash and cash equivalents	4,914	7,269
Marketable securities	0	0
Total	56,991	81,023
LIABILITIES
Contingent consideration related to acquisitions	0	0
Convertible senior notes, net, noncurrent	0	0
Total	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Measurements, Recurring \| Fair Value \| Cash and Money Market Funds
ASSETS
Cash and cash equivalents	52,077	73,754
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Measurements, Recurring \| Fair Value \| Commercial Paper
ASSETS
Cash and cash equivalents	0	0
Marketable securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Measurements, Recurring \| Fair Value \| United States Treasury Securities
ASSETS
Cash and cash equivalents		0
Marketable securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Measurements, Recurring \| Fair Value \| Corporate Notes and Bonds
ASSETS
Cash and cash equivalents		0
Marketable securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Measurements, Recurring \| Fair Value \| Agency Securities
ASSETS
Cash and cash equivalents		0
Marketable securities	0	0
Significant Other Observable Inputs (Level 2) \| Fair Value, Measurements, Recurring \| Fair Value
ASSETS
Cash and cash equivalents	1,790	24,965
Restricted cash and cash equivalents	0	0
Marketable securities	146,432	139,612
Total	148,222	164,577
LIABILITIES
Contingent consideration related to acquisitions	0	0
Convertible senior notes, net, noncurrent	267,565	266,843
Total	267,565	266,843
Significant Other Observable Inputs (Level 2) \| Fair Value, Measurements, Recurring \| Fair Value \| Cash and Money Market Funds
ASSETS
Cash and cash equivalents	0	0
Significant Other Observable Inputs (Level 2) \| Fair Value, Measurements, Recurring \| Fair Value \| Commercial Paper
ASSETS
Cash and cash equivalents	1,790	10,795
Marketable securities	16,779	18,141
Significant Other Observable Inputs (Level 2) \| Fair Value, Measurements, Recurring \| Fair Value \| United States Treasury Securities
ASSETS
Cash and cash equivalents		9,979
Marketable securities	70,937	56,890
Significant Other Observable Inputs (Level 2) \| Fair Value, Measurements, Recurring \| Fair Value \| Corporate Notes and Bonds
ASSETS
Cash and cash equivalents		3,349
Marketable securities	25,984	26,590
Significant Other Observable Inputs (Level 2) \| Fair Value, Measurements, Recurring \| Fair Value \| Agency Securities
ASSETS
Cash and cash equivalents		842
Marketable securities	32,732	37,991
Unobservable Inputs (Level 3)
ASSETS
Total	0
LIABILITIES
Total	0
Unobservable Inputs (Level 3) \| Fair Value, Measurements, Recurring \| Fair Value
ASSETS
Cash and cash equivalents	0	0
Restricted cash and cash equivalents	0	0
Marketable securities	0	0
Total	0	0
LIABILITIES
Contingent consideration related to acquisitions	4,200	3,800
Convertible senior notes, net, noncurrent	0	0
Total	4,200	3,800
Unobservable Inputs (Level 3) \| Fair Value, Measurements, Recurring \| Fair Value \| Cash and Money Market Funds
ASSETS
Cash and cash equivalents	0	0
Unobservable Inputs (Level 3) \| Fair Value, Measurements, Recurring \| Fair Value \| Commercial Paper
ASSETS
Cash and cash equivalents	0	0
Marketable securities	0	0
Unobservable Inputs (Level 3) \| Fair Value, Measurements, Recurring \| Fair Value \| United States Treasury Securities
ASSETS
Cash and cash equivalents		0
Marketable securities	0	0
Unobservable Inputs (Level 3) \| Fair Value, Measurements, Recurring \| Fair Value \| Corporate Notes and Bonds
ASSETS
Cash and cash equivalents		0
Marketable securities	0	0
Unobservable Inputs (Level 3) \| Fair Value, Measurements, Recurring \| Fair Value \| Agency Securities
ASSETS
Cash and cash equivalents		0
Marketable securities	$ 0	$ 0

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock.

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