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Revenue - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Sep. 30, 2021
Disaggregation of Revenue [Line Items]      
Period of amortization 3 years    
Amortization $ 0.8 $ 0.5  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01      
Disaggregation of Revenue [Line Items]      
Remaining performance obligation, period 12 months    
Equipment      
Disaggregation of Revenue [Line Items]      
Contract assets $ 9.8   $ 1.9
Equipment | Ventus      
Disaggregation of Revenue [Line Items]      
Contract assets $ 8.1