Revenue Recognition - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Contract assets	$ 95,263		$ 95,263		$ 74,646
Transferred over Time
Disaggregation of Revenue [Line Items]
Contract assets	$ 63,874		$ 63,874		$ 37,711
Revenue Benchmark | Product Concentration Risk | Transferred over Time
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	13.00%	17.00%	17.00%	14.00%