GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2011

GOODWILL AND INTANGIBLE ASSETS [Abstract]

Assigned goodwill by reporting unit

Below is assigned goodwill by reporting unit (in thousands):

	Affiliate Marketing			Media			Dotomi		Owned & Operated Websites			Total
Balance at December 31, 2009	$	30,177		$	217,801		$	—	$	231,145		$	479,123
Accumulated impairment losses	—			(112,000		)	—		(210,000		)	(322,000		)
	30,177			105,801			—		21,145			157,123
Foreign currency translation adjustments	264			113			—		603			980
Acquisition	—			—			—		25,115			25,115
Balance at December 31, 2010	30,441			217,914			—		256,863			505,218
Accumulated impairment losses	—			(112,000		)	—		(210,000		)	(322,000		)
	30,441			105,914			—		46,863			183,218
Foreign currency translation adjustments	(78		)	(33		)	—		(308		)	(419		)
Tax adjustments	—			(9		)	—		—			(9		)
Acquisitions	—			46,497			207,746		—			254,243
Balance at December 31, 2011	30,363			264,369			207,746		256,555			759,033
Accumulated impairment losses	—			(112,000		)	—		(210,000		)	(322,000		)
	$	30,363		$	152,369		$	207,746	$	46,555		$	437,033

Acquired intangible assets weighted-average useful lives

The Company's acquired intangible assets as of December 31, 2011 are being amortized on a straight-line basis over the following weighted-average useful lives (in years):

	Weighted-Average Useful Life
Customer, affiliate and advertiser relationships	6
Trademarks, trade names and domain names	7
Developed technologies and websites	4
Covenants not to compete	1

Gross balance, accumulated amortization and net carrying amount of intangible assets

The gross carrying amounts and accumulated amortization of the Company's acquired intangible assets were as follows at December 31, 2011 and 2010 (in thousands):

	Gross Balance		Accumulated Amortization			Net Carrying Amount
December 31, 2011:
Customer, affiliate and advertiser relationships	$	107,686	$	(42,238	)	$	65,448
Trademarks, trade names and domain names	33,583		(20,340		)	13,243
Developed technologies and websites	66,125		(33,277		)	32,848
Covenants not to compete	4,070		(1,602		)	2,468
Total intangible assets	$	211,464	$	(97,457	)	$	114,007
December 31, 2010:
Customer, affiliate and advertiser relationships	$	48,327	$	(39,507	)	$	8,820
Trademarks, trade names and domain names	29,811		(16,899		)	12,912
Developed technologies and websites	34,399		(23,690		)	10,709
Covenants not to compete	7,500		(6,416		)	1,084
Total intangible assets	$	120,037	$	(86,512	)	33,525

Impact of amortization expense recognized

The following table summarizes, by consolidated statement of operations line item the impact of amortization expense recognized for the years ended December 31, 2011, 2010 and 2009 (in thousands):

	Year Ended December 31,
	2011	2010	2009
Amortization of acquired developed technologies and websites included in consolidated cost of revenue	9,633	7,522	6,675
Amortization of acquired intangible assets included in operating expenses	16,646	13,089	13,128
Total	26,279	20,611	19,803

Estimated intangible asset future amortization expense

Estimated intangible asset amortization expense for the next five years ending December 31 and thereafter is as follows (in thousands):

	Amortization included in:
	Cost of revenue		Operating expenses		Total
2012	$	9,964	$	22,414	$	32,378
2013	$	9,343	$	15,514	$	24,857
2014	$	8,472	$	15,312	$	23,784
2015	$	4,760	$	15,253	$	20,013
2016	$	309	$	9,795	$	10,104
Thereafter	$	—	$	2,871	$	2,871