Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jul. 31, 2021
Assets and Liabilities, Lessee [Abstract]
Operating Lease, Right-of-Use Asset	$ 72,888	$ 87,611
Finance Lease, Right-of-Use Asset	$ 31,421	$ 34,858
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets, Noncurrent	Other Assets, Noncurrent
Total leased assets	$ 104,309	$ 122,469
Operating Lease, Liability, Current	25,824	25,363
Finance Lease, Liability, Current	$ 6,581	$ 7,479
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Liabilities, Current	Other Liabilities, Current
Operating Lease, Liability, Noncurrent	$ 47,231	$ 74,349
Finance Lease, Liability, Noncurrent	$ 25,309	$ 28,029
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total leased liabilities	$ 104,945	$ 135,220
Ferrellgas, L.P. [Member]
Assets and Liabilities, Lessee [Abstract]
Operating Lease, Right-of-Use Asset	72,888	87,611
Operating Lease, Liability, Current	25,824	25,363
Operating Lease, Liability, Noncurrent	$ 47,231	$ 74,349