Goodwill and Acquired Intangible Assets

9 Months Ended

Sep. 30, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

5. Goodwill and Acquired Intangible Assets

The components of acquired intangible assets as of September 30, 2016 and December 31, 2015 were as follows:

	September 30, 2016							December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Gross Carrying Amount		Accumulated Amortization			Net Carrying Value
	(in thousands)
Developed technology	$	10,640	$	(9,097	)	$	1,543	$	9,819	$	(6,288	)	$	3,531
Customer and vendor relationships, databases		282,751		(56,242	)		226,509		236,238		(44,192	)		192,046
Trademarks		969		(474	)		495		529		(215	)		314
Other		250		(42	)		208		—		—			—
Total amortizable intangible assets		294,610		(65,855	)		228,755		246,586		(50,695	)		195,891
Indefinite-lived trademarks		89,676		—			89,676		89,676		—			89,676
Total acquired intangible assets	$	384,286	$	(65,855	)	$	318,431	$	336,262	$	(50,695	)	$	285,567

The gross carrying amount and accumulated amortization of the Company’s developed technology intangible assets were adjusted by $0.9 million as of June 30, 2016 for certain fully amortized assets that are no longer in use.

Amortization expense for acquired intangible assets was $5.4 million and $4.7 million for the three months ended September 30, 2016 and 2015, respectively, and $16.1 million and $13.5 million for the nine months ended September 30, 2016 and 2015, respectively.

Changes in the carrying amount of goodwill during the nine months ended September 30, 2016 were as follows:

	Goodwill		Accumulated Impairment Losses		Net Book Value
	(in thousands)
Balance as of December 31, 2015		396,220		—		396,220
Acquisitions		40,789		—		40,789
Balance as of September 30, 2016	$	437,009	$	—	$	437,009

During the nine months ended September 30, 2016, the Company recorded additions to acquired intangible assets of $48.7 million as a result of the acquisition of LABite. The components of the acquired intangibles assets added during the nine months ended September 30, 2016 were as follows:

	Nine Months Ended September 30, 2016		Weighted-Average Amortization Period
	(in thousands)		(years)
Customer and vendor relationships	$	46,513		20.0
Developed technology		1,731		1.0
Trademarks		440		2.0
Total	$	48,684

Estimated future amortization expense of acquired intangible assets as of September 30, 2016 was as follows:

	(in thousands)
The remainder of 2016	$	5,023
2017		18,021
2018		16,937
2019		15,389
2020		14,987
Thereafter		158,398
Total	$	228,755

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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