current leverage ratio

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- Definition

Loan Pricing Leverage Ratio Covenant

+ References

No definition available.

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- Definition

required total leverage ratio

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

+ Details

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- Definition

Identification of whether the entity has been in compliance with any credit facility debt covenants during the period.

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- Definition

Description of the conditions for borrowing under the credit facility including the nature of any restrictions.

+ References

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- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

Amount of long-term debt classified as other, payable after one year or the operating cycle, if longer.

+ References

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Debt (Secured Credit Facility Narrative) (Details) - USD ($)	3 Months Ended							9 Months Ended	12 Months Ended
	Jul. 31, 2018	Apr. 30, 2018	Jan. 31, 2018	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Jul. 31, 2016	Apr. 30, 2017	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015	Jan. 31, 2016	Apr. 30, 2010
Debt Instrument [Line Items]
Line of Credit Facility, Covenant Compliance					9.8	10
Debt Instrument, Covenant Compliance									67.5
Letters of credit outstanding					$ 139,200,000		$ 86,300,000		$ 139,200,000	$ 86,300,000
Letter of credit facility, remaining capacity					$ 60,800,000		$ 113,700,000		60,800,000	113,700,000
Line of credit facility, commitment fee									$ 1,100,000	1,400,000	$ 1,500,000
Required Total Leverage Ratio									550.00%
current leverage ratio									746.00%
Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Covenant Compliance					10		9.8
Debt Instrument, Covenant Compliance									67.5
Letters of credit outstanding					$ 139,200,000		$ 86,300,000		$ 139,200,000	86,300,000
Letter of credit facility, remaining capacity					60,800,000		113,700,000		60,800,000	113,700,000
Line of credit facility, commitment fee									$ 1,100,000	1,400,000	$ 1,500,000
Required Total Leverage Ratio						550.00%
current leverage ratio									746.00%
Secured Credit Facility [Member]
Debt Instrument [Line Items]
Secured line of credit facility					575,000,000		700,000,000		$ 575,000,000	700,000,000		$ 600,000,000
Total borrowings outstanding, line of credit facility					245,500,000		394,400,000		245,500,000	394,400,000
Amount classified as long-term debt					$ 185,700,000		$ 293,100,000		$ 185,700,000	$ 293,100,000
Weighted average interest rate of debt					6.00%		3.70%		6.00%	3.70%
Debt instrument, basis spread rate									2.75%	1.75%
Letter of credit facility, remaining capacity					$ 190,300,000				$ 190,300,000
Secured Credit Facility [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Secured line of credit facility						$ 575,000,000	$ 700,000,000	$ 575,000,000		$ 700,000,000		$ 600,000,000
Total borrowings outstanding, line of credit facility					245,500,000		394,400,000		245,500,000	394,400,000
Amount classified as long-term debt					$ 185,700,000		$ 293,100,000		$ 185,700,000	$ 293,100,000
Weighted average interest rate of debt					6.00%		3.70%		6.00%	3.70%
Debt instrument, basis spread rate									2.75%	1.75%
Letter of credit facility, remaining capacity					$ 190,300,000				$ 190,300,000
Federal Funds Rate [Member]
Debt Instrument [Line Items]
Credit facility interest rate					1.07%		0.40%		1.07%	0.40%
Federal Funds Rate [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Credit facility interest rate					1.07%		0.40%		1.07%	0.40%
Federal Funds Rate [Member] \| Secured Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									0.50%
Federal Funds Rate [Member] \| Secured Credit Facility [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									0.50%
Eurodollar Rate Loan [Member] \| Secured Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									1.00%
Eurodollar Rate Loan [Member] \| Secured Credit Facility [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									1.00%
Euro Rate [Member] \| Secured Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									3.75%	2.75%
Euro Rate [Member] \| Secured Credit Facility [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									3.75%	2.75%
Bank Of America's Prime Rate [Member]
Debt Instrument [Line Items]
Credit facility interest rate					4.25%		3.50%		4.25%	3.50%
Bank Of America's Prime Rate [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Credit facility interest rate					4.25%		3.50%		4.25%	3.50%
One Month Eurodollar Rate [Member]
Debt Instrument [Line Items]
Credit facility interest rate					1.23%		0.48%		1.23%	0.48%
One Month Eurodollar Rate [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Credit facility interest rate					1.23%		0.48%		1.23%	0.48%
Three-Month Eurodollar Rate [Member]
Debt Instrument [Line Items]
Credit facility interest rate					1.31%		0.68%		1.31%	0.68%
Three-Month Eurodollar Rate [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Credit facility interest rate					1.31%		0.68%		1.31%	0.68%
Fixed Rate Eight Point Six Two Five Due Two Thousand Twenty [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 175,000,000.0				$ 175,000,000.0				$ 280,000,000.0
Minimum [Member]
Debt Instrument [Line Items]
Commitment fee payable rate									0.35%
Required Total Leverage Ratio	550.00%	550.00%	595.00%	595.00%	605.00%
Line of Credit Facility, Covenant Terms									50
Loan Pricing Leverage Ratio Covenant					600.00%				600.00%
Debt Instrument, Interest Rate Terms									0.035
Minimum [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Commitment fee payable rate									0.35%
Required Total Leverage Ratio	550.00%	550.00%	595.00%	595.00%	605.00%
Line of Credit Facility, Covenant Terms					50
Loan Pricing Leverage Ratio Covenant					600.00%				600.00%
Minimum [Member] \| Secured Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									0.75%
Minimum [Member] \| Secured Credit Facility [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									0.75%
Minimum [Member] \| Credit Facility [Domain]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate Terms									0.035
Minimum [Member] \| Credit Facility [Domain] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate Terms					0.035
Minimum [Member] \| Euro Rate [Member] \| Secured Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									1.75%
Minimum [Member] \| Euro Rate [Member] \| Secured Credit Facility [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									1.75%
Maximum [Member]
Debt Instrument [Line Items]
Commitment fee payable rate									0.50%
Required Total Leverage Ratio	550.00%	775.00%	775.00%	775.00%	775.00%			550.00%
Line of Credit Facility, Covenant Terms									200
Loan Pricing Leverage Ratio Covenant					700.00%				700.00%
Debt Instrument, Interest Rate Terms									0.04
Maximum [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Commitment fee payable rate									0.50%
Required Total Leverage Ratio	550.00%	775.00%	775.00%	775.00%	775.00%
Line of Credit Facility, Covenant Terms					200
Loan Pricing Leverage Ratio Covenant					700.00%				700.00%
Debt Instrument, Interest Rate Terms					0.04
Debt Instrument, Face Amount					$ 357,000,000				$ 357,000,000
Maximum [Member] \| Secured Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									3.00%
Maximum [Member] \| Secured Credit Facility [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									3.00%
Maximum [Member] \| Credit Facility [Domain]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate Terms									0.0375
Maximum [Member] \| Credit Facility [Domain] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate Terms					0.0375
Maximum [Member] \| Euro Rate [Member] \| Secured Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									4.00%
Maximum [Member] \| Euro Rate [Member] \| Secured Credit Facility [Member] \| Ferrellgas, L.P. [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread rate									4.00%
Maximum [Member] \| Fixed Rate Eight Point Six Two Five Due Two Thousand Twenty [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 357,000,000.0				$ 357,000,000.0