Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	8 Months Ended	9 Months Ended		12 Months Ended
	Jun. 30, 2022	May 16, 2022	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2021	Sep. 30, 2020
Net income	$ 66,369	$ (13,223)	$ 53,146	$ (9,406)	$ (20,608)	$ (20,317)
Basic (in shares)			40,931,000	36,308,000	36,308,000	36,308,000
Dilutive impact from employee equity awards			77,000		0	0
Diluted (in shares)			41,008,000	36,308,000	36,308,000	36,308,000
Basic (in dollars per share)			$ 1.30	$ (0.26)	$ (0.57)	$ (0.56)
Diluted (in dollars per share)			$ 1.30	$ (0.26)	$ (0.57)	$ (0.56)
Share-based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			8,258
Share-based Payment Arrangement [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			65,257
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit			$ 144.86
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit			$ 201.70