Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2011

Derivative Financial Instruments [Abstract]

Schedule Of NYMEX Contracts And Butane Price Swap Purchase Agreements

Type of Contract/Accounting Methodology	Product Represented by the Contract and Associated Barrels	Maturity Dates
NYMEX - Cash Flow Hedges	0.6million barrels of refined petroleum products	Between October and December 2011
NYMEX - Fair Value Hedges	0.7million barrels of crude oil	Between October 2011 and November 2013
NYMEX - Economic Hedges	2.3million barrels of refined petroleum products	Between October 2011 and April 2012
Butane Swap Agreements	0.3 million barrels of butane	Between October 2011 and March 2012

Derivative Gains (Losses) Included In Accumulated Other Comprehensive Loss ("AOCL")

	Three Months Ended September 30,						Nine Months Ended September 30,
Derivative Activity Included in AOCL	2010			2011			2010			2011
Beginning balance	$	3,407		$	7,856		$	1,743		$	3,325
Net gain (loss) on commodity hedges	(179		)	6,539			(468		)	11,152
Reclassification of net gain on interest rate cash flow hedges to interest expense	(41		)	(41		)	(123		)	(123		)
Reclassification of net loss (gain) on commodity hedges to product sales revenues	(1,068		)	(1,493		)	967			(1,493		)
Ending balance	$	2,119		$	12,861		$	2,119		$	12,861

Derivatives And Hedging-Fair Value Hedges

Derivative  Instrument	Location of Gain Recognized on Derivative	Amount of Gain Recognized on Derivative								Amount of Interest Expense Recognized on Fixed-Rate Debt (Related Hedged Item)
		Three Months Ended				Nine Months Ended				Three Months Ended					Nine Months Ended
		Sept. 30, 2010		Sept. 30, 2011		Sept. 30, 2010		Sept. 30, 2011		Sept. 30, 2010		Sept. 30, 2011			Sept. 30, 2010			Sept. 30, 2011
Interest rate swap agreements	Interest expense	$	—	$	264	$	4,604	$	1,275	$	—	$	(1,333	)	$	(17,277	)	$	(7,556	)

Derivatives And Hedging-Cash Flow Hedges

	Three Months Ended September 30, 2010 Effective Portion
Derivative Instrument	Amount of Loss Recognized in AOCL on Derivative				Location of Gain  Reclassified from AOCL into Income	Amount of Gain Reclassified from AOCL into Income
Interest rate swap agreements		$	—		Interest expense		$	41
NYMEX commodity contracts		(179		)	Product sales revenues		1,068
Total cash flow hedges		$	(179	)	Total		$	1,109
	Three Months Ended September 30, 2011 Effective Portion
Derivative Instrument	Amount of Gain Recognized in AOCL on Derivative				Location of Gain Reclassified from AOCL into Income	Amount of Gain Reclassified from AOCL into Income
Interest rate swap agreements		$	—		Interest expense		$	41
NYMEX commodity contracts		6,539			Product sales revenues		1,493
Total cash flow hedges		$	6,539		Total		$	1,534

	Nine Months Ended September 30, 2010 Effective Portion
Derivative Instrument	Amount of Loss Recognized in AOCL on Derivative				Location of Gain (Loss)  Reclassified from AOCL into Income	Amount of Gain (Loss) Reclassified from AOCL into Income
Interest rate swap agreements		$	—		Interest expense		$	123
NYMEX commodity contracts		(468		)	Product sales revenues		(967		)
Total cash flow hedges		$	(468	)	Total		$	(844	)
	Nine Months Ended September 30, 2011 Effective Portion
Derivative Instrument	Amount of Gain Recognized in AOCL on Derivative				Location of Gain Reclassified from AOCL into Income	Amount of Gain Reclassified from AOCL into Income
Interest rate swap agreements		$	—		Interest expense		$	123
NYMEX commodity contracts		11,152			Product sales revenues		1,493
Total cash flow hedges		$	11,152		Total		$	1,616

Derivatives And Hedging-Overall-Subsequent Measurement

		Amount of Gain (Loss) Recognized on Derivative
		Three Months  Ended September 30,						Nine Months Ended September 30,
Derivative Instrument	Location of Gain (Loss) Recognized on Derivative	2010			2011			2010		2011
NYMEX commodity contracts	Product sales revenues	$	(8,466	)	$	28,579		$	8,366	$	(7,604	)
NYMEX commodity contracts	Operating expenses	—			(923		)	—		598
Butane swap contracts	Product purchases	—			(50		)	—		(889		)
	Total	$	(8,466	)	$	27,606		$	8,366	$	(7,895	)

Derivatives And Hedging-Designated

	December 31, 2010
	Asset Derivatives			Liability Derivatives
Derivative Instrument	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
NYMEX commodity contracts	Other noncurrent assets	$	—	Other noncurrent liabilities	$	4,920
	September 30, 2011
	Asset Derivatives			Liability Derivatives
Derivative Instrument	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
NYMEX commodity contracts	Energy commodity derivatives contracts, net	$	8,689	Energy commodity derivatives contracts, net	$	—
NYMEX commodity contracts	Other noncurrent assets	1,030		Other noncurrent liabilities	—
	Total	$	9,719	Total	$	—

Derivatives And Hedging-Nondesignated

	December 31, 2010
	Asset Derivatives			Liability Derivatives
Derivative Instrument	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
NYMEX commodity contracts	Energy commodity derivatives contracts, net	$	—	Energy commodity derivatives contracts, net	$	11,790
	September 30, 2011
	Asset Derivatives			Liability Derivatives
Derivative Instrument	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
NYMEX commodity contracts	Energy commodity derivatives contracts, net	$	28,497	Energy commodity derivatives contracts, net	$	—
Butane swap contracts	Energy commodity derivatives contracts, net	—		Energy commodity derivatives contracts, net	981
	Total	$	28,497	Total	$	981