Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill and Other Intangible Assets

Changes in the carrying value of goodwill

		Rental and Management
		Domestic		International		Network Development Services		Total
Balance as of January 1, 2012 (1)		$	2,244,612	$	430,359	$	2,000	$	2,676,971
Additions			1,374		84,891		-		86,265
Effect of foreign currency translation			-		470		-		470
Balance as of September 30, 2012		$	2,245,986	$	515,720	$	2,000	$	2,763,706
(1)	Balances have been revised to reflect purchase accounting measurement period adjustments.

Company's other intangible assets subject to amortization

	The Company's other intangible assets subject to amortization consist of the following ($ in thousands):
			As of September 30, 2012						As of December 31, 2011 (1)
		Estimated Useful Lives	Gross Carrying Value		Accumulated Amortization		Net Book Value		Gross Carrying Value		Accumulated Amortization		Net Book Value
		(years)
Acquired network location (2)		Up to 20	$	1,641,639	$	(704,131)	$	937,508	$	1,538,015	$	(654,137)	$	883,878
Acquired customer-related intangibles		15-20		2,530,338		(944,760)		1,585,578		2,389,470		(843,432)		1,546,038
Acquired licenses and other intangibles		3-20		26,065		(20,743)		5,322		25,949		(20,045)		5,904
Economic Rights, TV Azteca		70		29,261		(13,949)		15,312		26,902		(12,643)		14,259
Total				4,227,303		(1,683,583)		2,543,720		3,980,336		(1,530,257)		2,450,079
Deferred financing costs, net (3)		N/A						51,339						47,532
Other intangible assets, net							$	2,595,059					$	2,497,611
(1)	December 31, 2011 balances have been revised to reflect purchase accounting measurement period adjustments.
(2)	Acquired network location intangibles are amortized over periods of up to 20 years, as the Company considers these intangibles to be directly related to the tower assets.
(3)	Deferred financing costs are amortized over the term of the respective debt instruments to which they relate using the effective interest method. This amortization is included in interest expense rather than in amortization expense.

Expected future amortization expenses

Fiscal Year
2012 (remaining year)	$	50.7
2013		197.0
2014		189.2
2015		176.2
2016		168.9
2017		167.3