Segment Disclosures (Tables)

6 Months Ended

Jun. 30, 2012

Segment Disclosures [Abstract]

Schedule Of Business Segment Reporting Information

	Three Months Ended June 30, 2011
	(in thousands)
		Petroleum				Ammonia
		Pipeline			Petroleum		Pipeline	Intersegment
		System			Terminals		System	Eliminations				Total
Transportation and terminals revenues	$	161,168		$	56,969	$	5,755	$	(700	)	$	223,192
Product sales revenues		152,891			7,140		—		(88	)		159,943
Affiliate management fee revenue		192			—		—		—			192
Total revenues		314,251			64,109		5,755		(788	)		383,327
Operating expenses		51,737			26,627		3,726		(767	)		81,323
Product purchases		117,540			2,084		—		(788	)		118,836
Equity earnings		(1,443	)		—		—		—			(1,443	)
Operating margin		146,417			35,398		2,029		767			184,611
Depreciation and amortization expense		19,291			10,243		363		767			30,664
G&A expenses		18,783			5,838		660		—			25,281
Operating profit	$	108,343		$	19,317	$	1,006	$	—		$	128,666

	Three Months Ended June 30, 2012
	(in thousands)
		Petroleum				Ammonia
		Pipeline			Petroleum		Pipeline	Intersegment
		System			Terminals		System	Eliminations				Total
Transportation and terminals revenues	$	178,757		$	64,053	$	6,659	$	(708	)	$	248,761
Product sales revenues		193,040			7,699		—		(171	)		200,568
Affiliate management fee revenue		198			—		—		—			198
Total revenues		371,995			71,752		6,659		(879	)		449,527
Operating expenses		56,377			24,440		2,179		(670	)		82,326
Product purchases		140,810			4,567		—		(879	)		144,498
Equity earnings		(1,494	)		16		—		—			(1,478	)
Operating margin		176,302			42,729		4,480		670			224,181
Depreciation and amortization expense		19,875			10,516		425		670			31,486
G&A expenses		18,539			6,189		686		—			25,414
Operating profit	$	137,888		$	26,024	$	3,369	$	—		$	167,281

	Six Months Ended June 30, 2011
	(in thousands)
		Petroleum					Ammonia
		Pipeline			Petroleum		Pipeline	Intersegment
		System			Terminals		System		Eliminations			Total
Transportation and terminals revenues	$	305,230		$	112,190	$	12,787	$	(1,607	)	$	428,600
Product sales revenues		379,879			17,558		—		(198	)		397,239
Affiliate management fee revenue		385			—		—		—			385
Total revenues		685,494			129,748		12,787		(1,805	)		826,224
Operating expenses		89,447			48,623		7,057		(1,443	)		143,684
Product purchases		326,013			5,858		—		(1,805	)		330,066
Equity earnings		(2,810	)		—		—		—			(2,810	)
Operating margin		272,844			75,267		5,730		1,443			355,284
Depreciation and amortization expense		37,843			20,014		727		1,443			60,027
G&A expenses		37,238			11,309		1,324		—			49,871
Operating profit	$	197,763		$	43,944	$	3,679	$	—		$	245,386

	Six Months Ended June 30, 2012
	(in thousands)
		Petroleum					Ammonia
		Pipeline			Petroleum		Pipeline	Intersegment
		System			Terminals		System		Eliminations			Total
Transportation and terminals revenues	$	327,487		$	127,233	$	13,008	$	(1,413	)	$	466,315
Product sales revenues		459,297			17,464		—		(463	)		476,298
Affiliate management fee revenue		397			—		—		—			397
Total revenues		787,181			144,697		13,008		(1,876	)		943,010
Operating expenses		102,931			44,622		4,629		(1,404	)		150,778
Product purchases		385,691			9,295		—		(1,876	)		393,110
Equity earnings		(3,163	)		37		—		—			(3,126	)
Operating margin		301,722			90,743		8,379		1,404			402,248
Depreciation and amortization expense		39,538			21,245		809		1,404			62,996
G&A expenses		35,994			11,855		1,309		—			49,158
Operating profit	$	226,190		$	57,643	$	6,261	$	—		$	290,094