- Definition

Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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- Definition

The price per unit of the notional amount of the derivative contract expressed in nonmonetary units. For example, the price per barrel specified in a fuel oil forward purchase contract.

+ References

No definition available.

+ Details

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- Definition

The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

+ References

No definition available.

+ Details

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- Definition

The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

No definition available.

+ Details

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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.

+ Details

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- Details

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Derivative Financial Instruments (Schedule Of Oil Derivative Contracts Volume And Weighted Average Prices) (Details)	Jul. 31, 2017 bbl / d $ / bbl	Jun. 30, 2017 bbl / d $ / bbl
Oil contracts [Member] \| Collar Contract For Third Quarter of Year One [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| bbl / d		6,000
Oil contracts [Member] \| Collar Contract For Fourth Quarter of Year One [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| bbl / d		6,000
Oil contracts [Member] \| Collar Contracts for Year 2 [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| bbl / d		0
Oil contracts [Member] \| Collar Contracts With Short Puts For Third Quarter of Year One [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| bbl / d		147,000
Oil contracts [Member] \| Collar Contracts With Short Puts For Fourth Quarter of Year One [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| bbl / d		155,000
Oil contracts [Member] \| Collar Contracts With Short Puts for Year 2 [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| bbl / d		71,000
Oil contracts, price per bbl [Member] \| Collar Contract For Third Quarter of Year One [Member]
Derivative [Line Items]
Derivative, Average Cap Price		70.40
Derivative, Average Floor Price		50.00
Oil contracts, price per bbl [Member] \| Collar Contract For Fourth Quarter of Year One [Member]
Derivative [Line Items]
Derivative, Average Cap Price		70.40
Derivative, Average Floor Price		50.00
Oil contracts, price per bbl [Member] \| Collar Contracts for Year 2 [Member]
Derivative [Line Items]
Derivative, Average Cap Price		0.00
Derivative, Average Floor Price		0.00
Oil contracts, price per bbl [Member] \| Collar Contracts With Short Puts For Third Quarter of Year One [Member]
Derivative [Line Items]
Derivative, Average Cap Price		62.03
Derivative, Average Floor Price		49.81
Derivative, Notional Amount, Price Per Unit		41.07
Oil contracts, price per bbl [Member] \| Collar Contracts With Short Puts For Fourth Quarter of Year One [Member]
Derivative [Line Items]
Derivative, Average Cap Price		62.12
Derivative, Average Floor Price		49.82
Derivative, Notional Amount, Price Per Unit		41.02
Oil contracts, price per bbl [Member] \| Collar Contracts With Short Puts for Year 2 [Member]
Derivative [Line Items]
Derivative, Average Cap Price		60.38
Derivative, Average Floor Price		50.07
Derivative, Notional Amount, Price Per Unit		40.00
Subsequent Event [Member] \| Oil contracts [Member] \| Collar Contracts With Short Puts for Year 2 [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| bbl / d	26,000
Subsequent Event [Member] \| Oil contracts, price per bbl [Member] \| Collar Contracts With Short Puts for Year 2 [Member]
Derivative [Line Items]
Derivative, Average Cap Price	55.01
Derivative, Average Floor Price	45.00
Derivative, Notional Amount, Price Per Unit	35.00