Derivative Instruments and Hedging Activities (Tables)

3 Months Ended

Oct. 31, 2020

Fair Value of Financial Derivatives Balance Sheet Locations

	Final	October 31, 2020
	Maturity	Asset Derivatives			Liability Derivatives
Derivative Instrument	Date	Location	Fair value		Location	Fair value
Derivatives designated as hedging instruments	December 2021
Commodity derivatives-propane		Prepaid expenses and other current assets	$	6,656	Other current liabilities	$	1,506
Commodity derivatives-propane		Other assets, net		505	Other liabilities		51
		Total	$	7,161	Total	$	1,557

	Final	July 31, 2020
	Maturity	Asset Derivatives			Liability Derivatives
Derivative Instrument	Date	Location	Fair value		Location	Fair value
Derivatives designated as hedging instruments	December 2021
Commodity derivatives-propane		Prepaid expenses and other current assets	$	2,846	Other current liabilities	$	5,029
Commodity derivatives-propane		Other assets, net		266	Other liabilities		396
		Total	$	3,112	Total	$	5,425

Offsetting Assets And Liabilities [Table Text Block]

	October 31, 2020
	Assets			Liabilities
Description	Location	Amount		Location	Amount
Margin Balances	Prepaid expense and other current assets	$	9,381	Other current liabilities	$	5,768
	Other assets, net		544	Other liabilities		483
		$	9,925		$	6,251

	July 31, 2020
	Assets			Liabilities
Description	Location	Amount		Location	Amount
Margin Balances	Prepaid expense and other current assets	$	14,398	Other current liabilities	$	510
	Other assets, net		1,433	Other liabilities		—
		$	15,831		$	510

Cash Flow Hedge Derivative Effect on Comprehensive Income

	For the three months ended October 31, 2020
				Amount of Gain (Loss)
	Amount of Gain		Location of Gain (Loss)	Reclassified from
	(Loss) Recognized in		Reclassified from	AOCI into Income
Derivative Instrument	AOCI		AOCI into Income	Effective portion		Ineffective portion
Commodity derivatives	$	5,767	Cost of product sold- propane and other gas liquids sales	$	(2,150)	$	—
	$	5,767		$	(2,150)	$	—

	For the three months ended October 31, 2019
				Amount of Gain (Loss)
	Amount of Gain (Loss)		Location of Gain (Loss)	Reclassified from
	Recognized in		Reclassified from	AOCI into Income
Derivative Instrument	AOCI		AOCI into Income	Effective portion		Ineffective portion
Commodity derivatives	$	(13,627)	Cost of product sold- propane and other gas liquids sales	$	(7,479)	$	—
	$	(13,627)		$	(7,479)	$	—

Changes in Derivatives Included in Accumulated Other Comprehensive Income

	For the three months ended October 31,
Gains and losses on derivatives included in AOCI	2020		2019
Beginning balance	$	(2,313)	$	(14,756)
Change in value of risk management commodity derivatives		5,767		(13,627)
Reclassification of losses on commodity hedges to cost of sales - propane and other gas liquids sales, net		2,150		7,479
Ending balance	$	5,604	$	(20,904)

Ferrellgas, L.P. [Member]

Fair Value of Financial Derivatives Balance Sheet Locations

	Final	October 31, 2020
	Maturity	Asset Derivatives			Liability Derivatives
Derivative Instrument	Date	Location	Fair value		Location	Fair value
Derivatives designated as hedging instruments	December 2021
Commodity derivatives-propane		Prepaid expenses and other current assets	$	6,656	Other current liabilities	$	1,506
Commodity derivatives-propane		Other assets, net		505	Other liabilities		51
		Total	$	7,161	Total	$	1,557

	Final	July 31, 2020
	Maturity	Asset Derivatives			Liability Derivatives
Derivative Instrument	Date	Location	Fair value		Location	Fair value
Derivatives designated as hedging instruments	December 2021
Commodity derivatives-propane		Prepaid expenses and other current assets	$	2,846	Other current liabilities	$	5,029
Commodity derivatives-propane		Other assets, net		266	Other liabilities		396
		Total	$	3,112	Total	$	5,425

Offsetting Assets And Liabilities [Table Text Block]

	October 31, 2020
	Assets			Liabilities
Description	Location	Amount		Location	Amount
Margin Balances	Prepaid expense and other current assets	$	9,381	Other current liabilities	$	5,768
	Other assets, net		544	Other liabilities		483
		$	9,925		$	6,251

	July 31, 2020
	Assets			Liabilities
Description	Location	Amount		Location	Amount
Margin Balances	Prepaid expense and other current assets	$	14,398	Other current liabilities	$	510
	Other assets, net		1,433	Other liabilities		—
		$	15,831		$	510

Cash Flow Hedge Derivative Effect on Comprehensive Income

	For the three months ended October 31, 2020
				Amount of Gain (Loss)
			Location of Gain (Loss)	Reclassified from
	Amount of Gain (Loss)		Reclassified from AOCI	AOCI into Income
DerivativeInstrument	Recognized in AOCI		into Income	Effective portion		Ineffective portion
Commodity derivatives	$	5,767	Cost of product sold- propane and other gas liquids sales	$	(2,150)	$	—
	$	5,767		$	(2,150)	$	—

	For the three months ended October 31, 2019
				Amount of Gain (Loss)
			Location of Gain (Loss)	Reclassified from
	Amount of Gain (Loss)		Reclassified from AOCI	AOCI into Income
DerivativeInstrument	Recognized in AOCI		into Income	Effective portion		Ineffective portion
Commodity derivatives	$	(13,627)	Cost of product sold- propane and other gas liquids sales	$	(7,479)	$	—
	$	(13,627)		$	(7,479)	$	—

Changes in Derivatives Included in Accumulated Other Comprehensive Income

	For the three months ended October 31,
Gains and losses on derivatives included in AOCI	2020		2019
Beginning balance	$	(2,313)	$	(14,756)
Change in value of risk management commodity derivatives		5,767		(13,627)
Reclassification of losses on commodity hedges to cost of sales - propane and other gas liquids sales, net		2,150		7,479
Ending balance	$	5,604	$	(20,904)