Supplemental financial statement information - Inventories (Details) $ in Thousands, gal in Millions |
9 Months Ended | |
|---|---|---|
|
Apr. 30, 2025
USD ($)
gal
|
Jul. 31, 2024
USD ($)
|
|
| Supplemental financial statement information | ||
| Propane gas and related products | $ 65,909 | $ 74,122 |
| Appliances, parts and supplies, and other | 20,200 | 21,910 |
| Inventories | $ 86,109 | $ 96,032 |
| Supply procurement contract duration | 36 months | |
| Net procurement of fixed priced propane by Ferrellgas in gallons | gal | 1.4 |
| X | ||||||||||
- Definition Maximum Period Of Inventory Procurement Fixed Price No definition available.
|
| X | ||||||||||
- Definition Supplemental Financial Statement Information [Abstract] No definition available.
|
| X | ||||||||||
- Definition Quantity of oil and gas subject to delivery commitment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of product derived from petroleum during the processing of oil or natural gas which is then used as a heat source or fuel. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, after of valuation reserves and allowances, of inventory, classified as other, expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|