Intangible Assets and Goodwill (Tables)

9 Months Ended

Sep. 30, 2013

Intangible Assets and Goodwill [Abstract]

Intangible Assets by Segment

	September 30, 2013							December 31, 2012
	Gross Value		Accumulated Amortization			Carrying Value		Gross Value		Accumulated Amortization			Carrying Value
NGL Pipelines & Services:
Customer relationship intangibles	$	340.8	$	(161.3	)	$	179.5	$	340.8	$	(147.6	)	$	193.2
Contract-based intangibles		281.3		(166.9	)		114.4		284.6		(157.2	)		127.4
Segment total		622.1		(328.2	)		293.9		625.4		(304.8	)		320.6
Onshore Natural Gas Pipelines & Services:
Customer relationship intangibles		1,163.6		(273.8	)		889.8		1,163.6		(250.0	)		913.6
Contract-based intangibles		466.1		(326.0	)		140.1		466.1		(311.8	)		154.3
Segment total		1,629.7		(599.8	)		1,029.9		1,629.7		(561.8	)		1,067.9
Onshore Crude Oil Pipelines & Services:
Customer relationship intangibles		10.7		(5.9	)		4.8		10.7		(4.9	)		5.8
Contract-based intangibles		0.4		(0.3	)		0.1		0.4		(0.3	)		0.1
Segment total		11.1		(6.2	)		4.9		11.1		(5.2	)		5.9
Offshore Pipelines & Services:
Customer relationship intangibles		203.9		(147.3	)		56.6		203.9		(138.5	)		65.4
Contract-based intangibles		1.2		(0.4	)		0.8		1.2		(0.4	)		0.8
Segment total		205.1		(147.7	)		57.4		205.1		(138.9	)		66.2
Petrochemical & Refined Products Services:
Customer relationship intangibles		104.3		(37.1	)		67.2		104.3		(33.4	)		70.9
Contract-based intangibles		39.9		(5.6	)		34.3		41.2		(5.9	)		35.3
Segment total		144.2		(42.7	)		101.5		145.5		(39.3	)		106.2
Total all segments	$	2,612.2	$	(1,124.6	)	$	1,487.6	$	2,616.8	$	(1,050.0	)	$	1,566.8

Amortization Expense of Intangible Assets by Segment

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2013		2012		2013		2012
NGL Pipelines & Services	$	8.6	$	10.1	$	27.7	$	29.9
Onshore Natural Gas Pipelines & Services		13.3		16.8		38.0		48.4
Onshore Crude Oil Pipelines & Services		0.3		0.2		1.0		0.5
Offshore Pipelines & Services		2.9		3.1		8.8		8.3
Petrochemical & Refined Products Services		1.5		2.1		4.7		8.8
Total	$	26.6	$	32.3	$	80.2	$	95.9

Forecasted Amortization Expense

Remainder of 2013		2014		2015		2016		2017
$	25.5	$	96.3	$	90.4	$	92.1	$	96.1

Changes in Carrying Amount of Goodwill

	NGL Pipelines & Services		Onshore Natural Gas Pipelines & Services		Onshore Crude Oil Pipelines & Services			Offshore Pipelines & Services		Petrochemical & Refined Products Services			Consolidated Total
Balance at December 31, 2012 (1)	$	341.2	$	296.3	$	311.2		$	82.1	$	1,056.0		$	2,086.8
Goodwill related to the sale of assets		--		--		(6.1	)		--		(0.7	)		(6.8	)
Balance at September 30, 2013 (1)	$	341.2	$	296.3	$	305.1		$	82.1	$	1,055.3		$	2,080.0
(1)   The total carrying amount of goodwill at September 30, 2013 and December 31, 2012 is net of $1.3 million of accumulated impairment charges. No goodwill impairment charges were recorded during the nine months ended September 30, 2013.