Supplemental Financial Statement Information Supplemental financial statement information (Property, Plant, and Equipment) (Details) - USD ($)
$ in Thousands |
6 Months Ended |
|
Jan. 31, 2016 |
Jul. 31, 2015 |
| Property, Plant and Equipment, Gross |
$ 1,621,115
|
$ 1,603,383
|
| Property, plant and equipment accumulated depreciation |
654,120
|
638,166
|
| Property, plant and equipment, net |
$ 966,995
|
965,217
|
| Land [Member] |
|
|
| Property, Plant and Equipment, Estimated Useful Lives |
Indefinite
|
|
| Property, Plant and Equipment, Gross |
$ 35,581
|
34,389
|
| Land Improvements [Member] |
|
|
| Property, Plant and Equipment, Gross |
13,441
|
13,249
|
| Building Improvements [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 72,248
|
71,923
|
| Property, Plant and Equipment, Useful Life |
20 years
|
|
| Vehicles [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 213,038
|
228,646
|
| Bulk Equipment And District Facilities [Member] |
|
|
| Property, Plant and Equipment, Gross |
111,669
|
111,657
|
| Tanks Cylinders And Customer Equipment [Member] |
|
|
| Property, Plant and Equipment, Gross |
768,720
|
772,904
|
| Salt water disposal wells [Member] |
|
|
| Property, Plant and Equipment, Gross |
52,095
|
38,460
|
| Rail cars [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 173,513
|
150,235
|
| Property, Plant and Equipment, Useful Life |
30 years
|
|
| Office Equipment [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 121,055
|
123,386
|
| Injection stations [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 32,178
|
37,619
|
| Property, Plant and Equipment, Useful Life |
20 years
|
|
| Construction in Progress [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 23,503
|
16,841
|
| Pipelines [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 4,074
|
4,074
|
| Property, Plant and Equipment, Useful Life |
15 years
|
|
| Minimum [Member] | Land Improvements [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
2 years
|
|
| Minimum [Member] | Vehicles [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
8 years
|
|
| Minimum [Member] | Bulk Equipment And District Facilities [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
5 years
|
|
| Minimum [Member] | Tanks Cylinders And Customer Equipment [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
2 years
|
|
| Minimum [Member] | Salt water disposal wells [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
2 years
|
|
| Minimum [Member] | Office Equipment [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
2 years
|
|
| Maximum [Member] | Land Improvements [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
20 years
|
|
| Maximum [Member] | Vehicles [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
20 years
|
|
| Maximum [Member] | Bulk Equipment And District Facilities [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
30 years
|
|
| Maximum [Member] | Tanks Cylinders And Customer Equipment [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
30 years
|
|
| Maximum [Member] | Salt water disposal wells [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
23 years
|
|
| Maximum [Member] | Office Equipment [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
5 years
|
|
| Ferrellgas, L.P. [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 1,621,115
|
1,603,383
|
| Property, plant and equipment accumulated depreciation |
654,120
|
638,166
|
| Property, plant and equipment, net |
$ 966,995
|
965,217
|
| Ferrellgas, L.P. [Member] | Land [Member] |
|
|
| Property, Plant and Equipment, Estimated Useful Lives |
Indefinite
|
|
| Property, Plant and Equipment, Gross |
$ 35,581
|
34,389
|
| Ferrellgas, L.P. [Member] | Land Improvements [Member] |
|
|
| Property, Plant and Equipment, Gross |
13,441
|
13,249
|
| Ferrellgas, L.P. [Member] | Building Improvements [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 72,248
|
71,923
|
| Property, Plant and Equipment, Useful Life |
20 years
|
|
| Ferrellgas, L.P. [Member] | Vehicles [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 213,038
|
228,646
|
| Ferrellgas, L.P. [Member] | Bulk Equipment And District Facilities [Member] |
|
|
| Property, Plant and Equipment, Gross |
111,669
|
111,657
|
| Ferrellgas, L.P. [Member] | Tanks Cylinders And Customer Equipment [Member] |
|
|
| Property, Plant and Equipment, Gross |
768,720
|
772,904
|
| Ferrellgas, L.P. [Member] | Salt water disposal wells [Member] |
|
|
| Property, Plant and Equipment, Gross |
52,095
|
38,460
|
| Ferrellgas, L.P. [Member] | Rail cars [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 173,513
|
150,235
|
| Property, Plant and Equipment, Useful Life |
30 years
|
|
| Ferrellgas, L.P. [Member] | Office Equipment [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 121,055
|
123,386
|
| Ferrellgas, L.P. [Member] | Injection stations [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 32,178
|
37,619
|
| Property, Plant and Equipment, Useful Life |
20 years
|
|
| Ferrellgas, L.P. [Member] | Construction in Progress [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 23,503
|
16,841
|
| Ferrellgas, L.P. [Member] | Pipelines [Member] |
|
|
| Property, Plant and Equipment, Gross |
$ 4,074
|
$ 4,074
|
| Property, Plant and Equipment, Useful Life |
15 years
|
|
| Ferrellgas, L.P. [Member] | Minimum [Member] | Land Improvements [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
2 years
|
|
| Ferrellgas, L.P. [Member] | Minimum [Member] | Vehicles [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
8 years
|
|
| Ferrellgas, L.P. [Member] | Minimum [Member] | Bulk Equipment And District Facilities [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
5 years
|
|
| Ferrellgas, L.P. [Member] | Minimum [Member] | Tanks Cylinders And Customer Equipment [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
2 years
|
|
| Ferrellgas, L.P. [Member] | Minimum [Member] | Salt water disposal wells [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
2 years
|
|
| Ferrellgas, L.P. [Member] | Minimum [Member] | Office Equipment [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
2 years
|
|
| Ferrellgas, L.P. [Member] | Maximum [Member] | Land Improvements [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
20 years
|
|
| Ferrellgas, L.P. [Member] | Maximum [Member] | Vehicles [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
20 years
|
|
| Ferrellgas, L.P. [Member] | Maximum [Member] | Bulk Equipment And District Facilities [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
30 years
|
|
| Ferrellgas, L.P. [Member] | Maximum [Member] | Tanks Cylinders And Customer Equipment [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
30 years
|
|
| Ferrellgas, L.P. [Member] | Maximum [Member] | Salt water disposal wells [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
23 years
|
|
| Ferrellgas, L.P. [Member] | Maximum [Member] | Office Equipment [Member] |
|
|
| Property, Plant and Equipment, Useful Life |
5 years
|
|