Revenue - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
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| Disaggregation Of Revenue [Line Items] | |||
| Revenue recognized from unreturned kits | $ 17.8 | $ 22.1 | $ 27.7 |
| Contract assets | 0.0 | 0.0 | |
| Revenue recognized | $ 40.5 | 41.1 | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01 | |||
| Disaggregation Of Revenue [Line Items] | |||
| Revenue recognize percentage | 41.00% | ||
| Revenue, remaining performance obligation, satisfaction, period | 12 months | ||
| Consumer services | |||
| Disaggregation Of Revenue [Line Items] | |||
| Deferred revenue for customer services | $ 46.8 | 52.3 | 48.6 |
| Research services | |||
| Disaggregation Of Revenue [Line Items] | |||
| Deferred revenue for customer services | 2.5 | 22.5 | $ 14.0 |
| Revenue recognized | 21.7 | 13.8 | |
| Remaining performance obligations | 6.6 | ||
| Research services | Related Party | |||
| Disaggregation Of Revenue [Line Items] | |||
| Deferred revenue for customer services | 1.8 | 21.0 | |
| Revenue recognized | $ 20.4 | $ 11.8 | |
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue recognized arising from contract liability from change in timeframe for performance obligation to be satisfied. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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