Intangible Assets, Goodwill And Other Assets (Tables)

12 Months Ended

Dec. 31, 2011

Intangible Assets, Goodwill And Other Assets [Abstract]

Schedule Of Intangible Assets

			December 31, 2011						December 31, 2010
	Weighted Amortization Period in Years		Gross Carrying Amount		Accumulated Amortization		Carrying Value		Gross Carrying Amount		Accumulated Amortization		Carrying Value
Refinery services customer relationships		5	$	94,654	$	62,111	$	32,543	$	94,654	$	53,139	$	41,515
Supply and logistics customer relationships		5		35,430		23,584		11,846		35,430		19,981		15,449
Refinery services supplier relationships		2		36,469		34,105		2,364		36,469		31,476		4,993
Refinery services licensing agreements		6		38,678		19,476		19,202		38,678		15,786		22,892
Supply and logistics trade names		4		18,888		17,048		1,840		18,888		7,530		11,358
Intangibles associated with supply and logistics lease		15		13,260		2,092		11,168		13,260		1,618		11,642
Other		5		17,292		2,899		14,393		13,776		1,450		12,326
Total			$	254,671	$	161,315	$	93,356	$	251,155	$	130,980	$	120,175

Schedule Of Estimated Amortization Expense

	2012		2013		2014		2015		2016
Refinery services customer relationships	$	7,056	$	7,116	$	5,597	$	4,405	$	3,471
Supply and logistics customer relationships		2,819		2,165		1,660		1,275		981
Refinery services supplier relationships		2,364		—		—		—		—
Refinery services licensing agreements		3,416		3,163		2,928		2,711		2,510
Supply and logistics trade names		1,840		—		—		—		—
Supply and logistics lease		474		474		474		474		474
Other		2,155		1,514		1,514		1,500		1,467
Total	$	20,124	$	14,432	$	12,173	$	10,365	$	8,903

Schedule Of Other Assets

	December 31,
	2011		2010
CO2 volumetric production payments, net of amortization	$	12,158	$	15,852
Other deferred costs and deposits		17,848		16,196
Other assets, net of amortization	$	30,006	$	32,048