Commitments and Contingencies - Additional Information (Detail) - Former Employee Unasserted Claim [Member] - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Sep. 30, 2023	Mar. 31, 2023
Loss Contingencies [Line Items]
Loss contingency accrual, provision		$ 3.1
Loss contingency payment net of settlement	$ 0.0		$ 0.4