Goodwill, Intangibles And Other Assets (Tables)

6 Months Ended

Jun. 30, 2011

Goodwill, Intangibles And Other Assets

Components And Useful Lives Of Intangibles And Other Assets

	June 30, 2011					December 31, 2010
	Gross Carrying		Accumulated			Gross Carrying		Accumulated
	Amount		Amortization			Amount		Amortization
Amortizable intangible assets:
Customer relationships, contracts and agreements (3 to 46 years)	$	333,550	$	(82,430	)	$	251,418	$	(74,910	)
Noncompete agreements (3 to 15 years)		20,187		(12,219	)		21,165		(11,888	)
Patents (9 years)		750		(160	)		750		(118	)
Other (10 to 15 years)		1,320		(544	)		1,320		(492	)
Total amortizable intangible assets		355,807		(95,353	)		274,653		(87,408	)
Non-amortizable intangible assets —
Trademarks		77,655		—			77,445		—
Total intangible assets		433,462		(95,353	)		352,098		(87,408	)
Other assets:
Financing costs (3 to 30 years)		79,538		(36,217	)		67,795		(32,528	)
Regulatory assets		107,258		(16,381	)		107,384		(14,445	)
Other		26,694		—			30,400		—
Total intangibles and other assets	$	646,952	$	(147,951	)	$	557,677	$	(134,381	)

Aggregate Amortization Expense Of Intangibles And Other Assets

	Three Months Ended June  30,				Six Months Ended June  30,
	2011		2010		2011		2010
Reported in depreciation and amortization	$	5,511	$	5,148	$	10,709	$	10,294
Reported in interest expense	$	2,365	$	2,165	$	4,663	$	4,330

Estimated Amortization Expense

Years Ending December 31:
2012	$	30,692
2013		25,259
2014		24,248
2015		21,922
2016		21,030