Commitments and Contingencies - Additional Information (Detail)		3 Months Ended	6 Months Ended
	Dec. 20, 2021 USD ($) ft² a	Mar. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)
Other Commitments [Line Items]
Contingent liabilities		$ 0	$ 0
Technology License Commitments
Other Commitments [Line Items]
Milestone payments		$ 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 | ft²	140,000
Laboratory and Office Facility | Wisconsin
Other Commitments [Line Items]
Planned area of the site | ft²	115,000
Facilities | Minimum [Member]
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	$ 250,000,000