Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022
Other Liabilities Disclosure [Abstract]
Accrued compensations and benefits	$ 32,335		$ 50,242
Customer deposits	28,716		27,577
Accrued interest	24,328		23,132
Warranty reserves	12,129	$ 12,348	13,046	$ 13,073	$ 13,159	$ 13,926
Litigation accruals	8,775		9,404
Income tax liabilities	0		272
Other	38,027		33,288
Total	$ 144,310		$ 156,961