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Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011


	December 31, 2011			December 31, 2010
	(In thousands)
Contract intangibles	$	89,420		$	180,233
Less accumulated amortization		(14,258	)		(18,302	)

Net book value	$	75,164		$	161,931


	For the years ended December 31,
	2011		2010		2009
	(In thousands)
Total amortization expense on intangible assets	$	9,298	$	10,150	$	3,423

Estimated amortization expense


Estimated amortization expense (In thousands)
For year ended December 31, 2012	$	3,766
For year ended December 31, 2013		4,664
For year ended December 31, 2014		4,500
For year ended December 31, 2015		4,500
For year ended December 31, 2016		4,500

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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