Stock-Based Compensation and Equity Grants - FV of Performance Based Awards (Details) - $ / shares	9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Volatility	50.00%	50.00%
December 15, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum average price (in dollars per share)	$ 25.65	$ 25.65
January 27, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum average price (in dollars per share)	$ 33.21	$ 33.21
Revenue | December 15, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	3 years	3 years
Calculated fair value (in dollars per share)	$ 3.82	$ 3.82
Revenue | January 27, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	3 years	3 years
Calculated fair value (in dollars per share)	$ 3.51	$ 3.51
Stock price | December 15, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	3 years	3 years
Calculated fair value (in dollars per share)	$ 5.36	$ 5.36
Stock price | January 27, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	3 years	3 years
Calculated fair value (in dollars per share)	$ 2.92	$ 2.92