Number of taxable subsidiaries

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Retirement Age

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- Definition

Revenue Recognized Over Straight Line Basis, Term

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Expiration Term

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Share-based Compensation Arrangement by Share-based Payment Award, Percentage Of Award To Vest On Event

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Summary Of Significant Accounting Policies (Narrative) (Details) $ in Thousands	12 Months Ended
	Jul. 31, 2017 USD ($) subsidiary shares	Jul. 31, 2016 USD ($)	Jul. 31, 2015 USD ($)
General partner ownership interest	1.00%
Revenue recognized over a straight-line basis, term	1 year
Non-cash stock and unit-based compensation charge	$ 3,298	$ 9,324	$ 25,982
Number of taxable subsidiaries \| subsidiary	1
Ferrellgas, L.P. [Member]
General partner ownership interest	1.00%
Revenue recognized over a straight-line basis, term	1 year
Non-cash stock and unit-based compensation charge	$ 3,298	9,324	25,982
Minimum [Member]
Property, plant and equipment useful life	2 years
Intangible asset useful life	2 years
Minimum [Member] \| Ferrellgas, L.P. [Member]
Property, plant and equipment useful life	2 years
Intangible asset useful life	2 years
Maximum [Member]
Property, plant and equipment useful life	30 years
Intangible asset useful life	15 years
Maximum [Member] \| Ferrellgas, L.P. [Member]
Property, plant and equipment useful life	30 years
Intangible asset useful life	15 years
Ferrell Companies, Inc. Incentive Compensation Plan [Member]
Number of shares authorized to be issued as options \| shares	9,250,000.00
Non-cash stock and unit-based compensation charge	$ 3,300	9,300	25,600
Ferrell Companies, Inc. Incentive Compensation Plan [Member] \| Ferrellgas, L.P. [Member]
Number of shares authorized to be issued as options \| shares	9,250,000.00
Non-cash stock and unit-based compensation charge	$ 3,300	$ 9,300	$ 25,600
Ferrell Companies Inc Deferred Incentive Compensation Plan [Member] [Member]
Stock options, percent to vest upon event	100.00%
Retirement age	65
Ferrell Companies Inc Deferred Incentive Compensation Plan [Member] [Member] \| Ferrellgas, L.P. [Member]
Stock options, percent to vest upon event	100.00%
Retirement age	65
Ferrell Companies Inc Deferred Incentive Compensation Plan [Member] [Member] \| Minimum [Member]
Award vesting period	0 years
Term till award expiration	10 years
Ferrell Companies Inc Deferred Incentive Compensation Plan [Member] [Member] \| Minimum [Member] \| Ferrellgas, L.P. [Member]
Award vesting period	0 years
Term till award expiration	10 years
Ferrell Companies Inc Deferred Incentive Compensation Plan [Member] [Member] \| Maximum [Member]
Award vesting period	10 years
Term till award expiration	15 years
Ferrell Companies Inc Deferred Incentive Compensation Plan [Member] [Member] \| Maximum [Member] \| Ferrellgas, L.P. [Member]
Award vesting period	10 years
Term till award expiration	15 years
Operating Partnership [Member]
General partner ownership interest	1.00%
Operating Partnership [Member] \| Ferrellgas, L.P. [Member]
Number of taxable subsidiaries \| subsidiary	3