Leases - Assets and Liabilities (Details) $ in Thousands	Oct. 31, 2019 USD ($)
Assets and Liabilities, Lessee [Abstract]
Operating Lease, Right-of-Use Asset	$ 124,047
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Operating Lease, Right-of-Use Asset
Finance Lease, Right-of-Use Asset	$ 5,719
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets, Noncurrent
Total leased assets	$ 129,766
Operating Lease, Liability, Current	$ 33,832
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Operating Lease, Liability, Current
Finance Lease, Liability, Current	$ 1,817
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Liabilities, Current
Operating Lease, Liability, Noncurrent	$ 88,773
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Operating Lease, Liability, Noncurrent
Finance Lease, Liability, Noncurrent	$ 3,949
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent
Total leased liabilities	$ 128,371
Ferrellgas, L.P. [Member]
Assets and Liabilities, Lessee [Abstract]
Operating Lease, Right-of-Use Asset	$ 124,047
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Operating Lease, Right-of-Use Asset
Finance Lease, Right-of-Use Asset	$ 5,719
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets, Noncurrent
Total leased assets	$ 129,766
Operating Lease, Liability, Current	$ 33,832
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Operating Lease, Liability, Current
Finance Lease, Liability, Current	$ 1,817
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Liabilities, Current
Operating Lease, Liability, Noncurrent	$ 88,773
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Operating Lease, Liability, Noncurrent
Finance Lease, Liability, Noncurrent	$ 3,949
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent
Total leased liabilities	$ 128,371