GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2014

Changes in the carrying amount of goodwill:


(in thousands)	2014

Balance as of January 1,	$	37,463

Purchase price adjustments to goodwill retroactively applied (1)		6,006

Goodwill acquired		1,540


Balance as of September 30,	$	45,009

(1) The purchase price adjustments identified during the nine months of 2014 have been retroactively applied as of December 31, 2013.

Intangible assets are recorded at cost and are amortized using the straight-line method over their estimated useful lives.


(in thousands)	Range of Useful Lives		Cost		Accumulated Amortization		Net Book Value
As of September 30, 2014

Customer related intangibles		4-9 years	$	48,634	$	(22,813)	$	25,821

Technology		3-9 years		48,342		(27,539)		20,803

Other intangibles		1-5 years		5,361		(4,105)		1,256

Total			$	102,337	$	(54,457)	$	47,880


			Cost		Accumulated Amortization		Net Book Value
As of December 31, 2013

Customer related intangibles		4-9 years	$	48,634	$	(18,317)	$	30,317

Technology		3-9 years		47,102		(22,873)		24,229

Other intangibles		1-5 years		4,658		(2,630)		2,028

Total			$	100,394	$	(43,820)	$	56,574

Amortization of intangibles was reflected in the Company’s unaudited condensed consolidated statements of operations as follows:


	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2014		2013		2014		2013
Cost of revenue	$	1,382	$	1,540	$	4,666	$	4,622

Selling and marketing		1,501		1,232		4,496		3,696

General and administrative		574		—		1,475		4

Total amortization expense	$	3,457	$	2,772	$	10,637	$	8,322

Amortization of intangibles is estimated to be recorded over their remaining useful lives as follows:


(in thousands) as of September 30, 2014	Future estimated amortization expense
Remainder of 2014	$	3,149

2015		12,073

2016		11,386

2017		9,688

2018		8,688

2019		2,896

	$	47,880