Other Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021
Other Liabilities Disclosure [Abstract]
Accrued compensations and benefits	$ 36,897		$ 57,781
Customer deposits	32,852		34,270
Accrued interest	15,020		22,723
Warranty reserve	13,266	$ 13,073	13,926	$ 13,020	$ 12,681	$ 12,931
Litigation accruals	8,231		9,832
Income tax liabilities	120		320
Other	31,821		35,536
Total	$ 138,207		$ 174,388