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Fair Value Measurements - Assets and Liabilities at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	$ 682,972	$ 708,062
Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities		22,758
Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	682,972	685,304
Commercial paper | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities		2,686
Money market funds | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities		20,072
Asset-backed securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	7,200	7,740
Certificates of deposit | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	27,300
Corporate notes and bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	118,512	128,104
Sovereign bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	7,384	8,436
U.S. government and agency securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	444,087	531,641
Fair Value, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	809,247	708,062
Liabilities:
Contingent earn-out consideration liability	21,862
Total contingent earn-out consideration liability	21,862
Fair Value, Recurring | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	126,275	22,758
Fair Value, Recurring | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	682,972	685,304
Fair Value, Recurring | Commercial paper | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities		2,686
Fair Value, Recurring | Commercial paper | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	78,489	9,383
Fair Value, Recurring | Money market funds | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	126,275	20,072
Fair Value, Recurring | Asset-backed securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	7,200	7,740
Fair Value, Recurring | Certificates of deposit | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	27,300
Fair Value, Recurring | Corporate notes and bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	118,512	128,104
Fair Value, Recurring | Sovereign bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	7,384	8,436
Fair Value, Recurring | U.S. government and agency securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	444,087	531,641
Level 1 | Fair Value, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	566,023	550,246
Liabilities:
Contingent earn-out consideration liability	0
Total contingent earn-out consideration liability	0
Level 1 | Fair Value, Recurring | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	126,275	20,072
Level 1 | Fair Value, Recurring | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	439,748	530,174
Level 1 | Fair Value, Recurring | Commercial paper | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities		0
Level 1 | Fair Value, Recurring | Commercial paper | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 1 | Fair Value, Recurring | Money market funds | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	126,275	20,072
Level 1 | Fair Value, Recurring | Asset-backed securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 1 | Fair Value, Recurring | Certificates of deposit | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0
Level 1 | Fair Value, Recurring | Corporate notes and bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 1 | Fair Value, Recurring | Sovereign bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 1 | Fair Value, Recurring | U.S. government and agency securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	439,748	530,174
Level 2 | Fair Value, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	243,224	157,816
Liabilities:
Contingent earn-out consideration liability	0
Total contingent earn-out consideration liability	0
Level 2 | Fair Value, Recurring | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	2,686
Level 2 | Fair Value, Recurring | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	243,224	155,130
Level 2 | Fair Value, Recurring | Commercial paper | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities		2,686
Level 2 | Fair Value, Recurring | Commercial paper | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	78,489	9,383
Level 2 | Fair Value, Recurring | Money market funds | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 2 | Fair Value, Recurring | Asset-backed securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	7,200	7,740
Level 2 | Fair Value, Recurring | Certificates of deposit | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	27,300
Level 2 | Fair Value, Recurring | Corporate notes and bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	118,512	128,104
Level 2 | Fair Value, Recurring | Sovereign bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	7,384	8,436
Level 2 | Fair Value, Recurring | U.S. government and agency securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	4,339	1,467
Level 3 | Fair Value, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Liabilities:
Contingent earn-out consideration liability	21,862
Total contingent earn-out consideration liability	21,862
Level 3 | Fair Value, Recurring | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 3 | Fair Value, Recurring | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 3 | Fair Value, Recurring | Commercial paper | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities		0
Level 3 | Fair Value, Recurring | Commercial paper | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 3 | Fair Value, Recurring | Money market funds | Cash and cash equivalents
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 3 | Fair Value, Recurring | Asset-backed securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 3 | Fair Value, Recurring | Certificates of deposit | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0
Level 3 | Fair Value, Recurring | Corporate notes and bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 3 | Fair Value, Recurring | Sovereign bonds | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	0	0
Level 3 | Fair Value, Recurring | U.S. government and agency securities | Debt Securities
Assets, Fair Value Disclosure [Abstract]
Cash equivalents and marketable securities	$ 0	$ 0

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-Publisher FASB
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