Intangible Assets, Net (Tables)

3 Months Ended

Mar. 31, 2012

Gross And Net Carrying Amounts For Each Major Class Of Intangible Assets


	As of March 31, 2012							As of December 31, 2011
	Gross carrying amount		Accumulated amortization			Net book value		Gross carrying amount		Accumulated amortization			Net book value
	(in thousands)
Current contract intangibles	$	1,415,820	$	(356,843	)	$	1,058,977	$	1,391,001	$	(333,522	)	$	1,057,479
Network location intangibles		788,759		(203,302	)		585,457		772,467		(190,162	)		582,305


Intangible assets, net	$	2,204,579	$	(560,145	)	$	1,644,434	$	2,163,468	$	(523,684	)	$	1,639,784

- 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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