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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Revenue - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Depreciation expense	$ 3,200	$ 1,900
Contract with Customer, Liability	21,600	15,500	$ 9,300
Ventus
Disaggregation of Revenue [Line Items]
Contract with Customer, Liability		2,100
Equipment
Disaggregation of Revenue [Line Items]
Contract assets	16,500	$ 1,900
Equipment \| Ventus
Disaggregation of Revenue [Line Items]
Contract assets	$ 14,700