Segment and Geographic Information - Domestic and International Sales as a Percentage of Total Revenue (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2023	Sep. 30, 2021
Geographic Information
Revenue from Contract with Customer, Excluding Assessed Tax	$ 405,296	$ 1,044,178	$ 300,640
United States
Geographic Information
Revenue from Contract with Customer, Excluding Assessed Tax	173,500	387,800	123,200
Europe
Geographic Information
Revenue from Contract with Customer, Excluding Assessed Tax	$ 84,958	$ 275,698	$ 58,026