XML 25 R61.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Derivatives (Schedule Of Outstanding Derivatives Entered Into To Hedge Inventory Or Fixed Price Purchase Commitments) (Details) (Not Designated As Hedging Instrument [Member], USD $) | Mar. 31, 2012
--- | ---
Sell (Short) Contracts [Member] | Crude Oil Futures [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | $ 98
Weighted average contract price per bbl | $ 117.61
Sell (Short) Contracts [Member] | Heating Oil Futures [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 113
Weighted average contract price per gal | $ 3.19
Sell (Short) Contracts [Member] | RBOB Gasoline Futures [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 81
Weighted average contract price per gal | $ 3.33
Sell (Short) Contracts [Member] | Fuel Oil Futures [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 275
Weighted average contract price per bbl | $ 108.38
Sell (Short) Contracts [Member] | Crude Oil Options [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 350
Weighted average premium received | $ 1.63
Sell (Short) Contracts [Member] | Heating Oil Options [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 40
Weighted average premium received | $ 0.08
Sell (Short) Contracts [Member] | RBOB Gasoline Options [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 10
Weighted average premium received | $ 0.08
Buy (Long) Contracts [Member] | Crude Oil Futures [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 44
Weighted average contract price per bbl | $ 114.33
Buy (Long) Contracts [Member] | RBOB Gasoline Futures [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 4
Weighted average contract price per gal | $ 3.39
Buy (Long) Contracts [Member] | Crude Oil Options [Member] |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | $ 100
Weighted average premium received | $ 0.28

X
- Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The price per barrel 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
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountPricePerBarrel
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The price per gallon of the notional amount of the derivative contract expressed in nonmonetary units. For example, the price per gallon specified in a fuel forward purchase contract. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountPricePerGallon
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountPricePerUnit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of all derivatives. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 + Details
Name: | us-gaap_NotionalAmountOfDerivatives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant