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Commitments and Contingencies - Additional Information (Detail) ft² in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Dec. 20, 2021 USD ($) ft² a | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($)
Other Commitments [Line Items] |  |  |  |  |
Contingent liabilities |  | $ 0 |  | $ 0 |
Tax increment financing award | $ 16,000,000 |  |  |  |
State income tax credits | $ 2,500,000 |  |  |  |
Technology License Commitments |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Milestone payments |  | $ 0 | $ 0 | $ 0 | $ 0
Verona Technology Park | Wisconsin |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Land purchased, number of acres | a | 13 |  |  |  |
Drug Manufacturing Facility | Wisconsin |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Planned area of the site (in sq ft) | ft² | 160 |  |  |  |
Laboratory and Office Facility | Wisconsin |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Planned area of the site (in sq ft) | ft² | 140 |  |  |  |
Facilities | Minimum |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Amount intends to invest for buildout of the facilities | $ 200,000,000 |  |  |  |
Facilities | Maximum |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Amount intends to invest for buildout of the facilities | $ 260,000,000 |  |  |  |

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