Contract Balances - Additional Information (Detail1) $ in Millions	Sep. 30, 2021 USD ($)
Contract With Customer Asset And Liability [Line Items]
Revenue, Remaining performance obligation	$ 198.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-10-01
Contract With Customer Asset And Liability [Line Items]
Revenue, Remaining performance obligations, Expected timing of satisfaction, Period	12 months
Revenue, Remaining performance obligation	$ 168.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-10-01
Contract With Customer Asset And Liability [Line Items]
Revenue, Remaining performance obligations, Expected timing of satisfaction, Period