Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022
Payables and Accruals [Abstract]
Salaries, wages, and other benefits	$ 52,373	$ 83,618
Obligation under operating leases	15,527	14,932
Obligation under finance leases	12,917	12,875
Provisions for litigation	12,709	2,375
Deferred revenue	9,760	9,692
Third party commissions	9,615	10,341
Taxes, other than income	5,833	5,594
Insurance liabilities	3,958	3,456
Severance payments	1,162	658
Fair value of liability derivatives	567	1,511
Other	32,425	33,220
Accrued expenses and other liabilities	$ 156,846	$ 178,272
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other liabilities