GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2011

Carrying Amount of Goodwill

The carrying amount of goodwill for each of the two years ended December 31, 2011 is as follows (in thousands):

	Data Center Services		IP Services			Total
Balance, December 31, 2010:
Goodwill	$	—	$	152,087		$	152,087
Accumulated impairment losses		—		(112,623	)		(112,623	)
Net		—		39,464			39,464
Acquisition – Voxel (note 3)		20,007		—			20,007
Balance, December 31, 2011:
Goodwill		20,007		152,087			172,094
Accumulated impairment losses		—		(112,623	)		(112,623	)
Net	$	20,007	$	39,464		$	59,471

Components of Amortizing Intangible Assets

The components of our amortizing intangible assets are as follows (in thousands):

	December 31, 2011					December 31, 2010
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Acquired technology	$	43,627	$	(24,844	)	$	35,927	$	(21,344	)
Customer relationships and trade names		32,247		(24,144	)		24,232		(24,117	)
	$	75,874	$	(48,988	)	$	60,159	$	(45,461	)

Amortization Expense

As of December 31, 2011, remaining amortization expense is as follows (in thousands):

2012	$	5,559
2013		5,546
2014		5,546
2015		2,606
2016		2,017
Thereafter		5,612
	$	26,886