Revenue from Contracts with Customers - Contract Balances (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]
Accounts receivable, net	$ 201,920		$ 163,758
Contract with Customer, Asset, after Allowance for Credit Loss, Current [Abstract]
Contract assets	19,600		18,200
Contract with Customer, Liability [Abstract]
Contract liabilities	42,600		$ 39,700
Revenue recognized	$ 11,100	$ 13,800