Goodwill and Acquired Intangible Assets

12 Months Ended

Dec. 31, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

5. Goodwill and Acquired Intangible Assets

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

	December 31, 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	$	(9,575	)	$	1,065	$	9,819	$	(6,288	)	$	3,531
Customer and vendor relationships, databases		282,751		(60,437	)		222,314		236,238		(44,192	)		192,046
Trademarks		969		(582	)		387		529		(215	)		314
Other		250		(62	)		188		—		—			—
Total amortizable intangible assets		294,610		(70,656	)		223,954		246,586		(50,695	)		195,891
Indefinite-lived trademarks		89,676		—			89,676		89,676		—			89,676
Total acquired intangible assets	$	384,286	$	(70,656	)	$	313,630	$	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 were no longer in use. Amortization expense for acquired intangible assets was $20.9 million, $18.2 million and $14.1 million for the years ended December 31, 2016, 2015 and 2014, respectively.

The changes in the carrying amount of goodwill for the years ended December 31, 2016 and 2015 were as follows.

	Goodwill		Accumulated Impairment Losses		Net Book Value
	(in thousands)
Balance as of December 31, 2014	$	352,788	$	—	$	352,788
Acquisitions		43,432		—		43,432
Balance as of December 31, 2015		396,220		—		396,220
Acquisitions		40,235		—		40,235
Balance as of December 31, 2016	$	436,455	$	—	$	436,455

During the year ended December 31, 2016, the Company recorded additions to acquired intangible assets of $48.9 million as a result of the acquisition of LABite and the purchase of other assets. During the year ended December 31, 2015, the Company recorded additions to acquired intangible assets of $49.5 million as a result of the acquisitions of DiningIn, Restaurants on the Run and Delivered Dish. The components of the acquired intangibles assets added during the years ended December 31, 2016 and 2015 were as follows:

	Year Ended December 31, 2016				Year Ended December 31, 2015
	Amount		Weighted-Average Amortization Period		Amount		Weighted-Average Amortization Period
	(in thousands)		(years)		(in thousands)		(years)
Customer and vendor relationships	$	46,513		20.0	$	44,259		18.7
Developed technology		1,731		2.7		4,676		1.5
Trademarks		440		2.0		529		1.8
Other		250		3.0		—
Total	$	48,934			$	49,464

Estimated future amortization expense of acquired intangible assets as of December 31, 2016 was as follows:

	(in thousands)
2017	$	17,844
2018		17,336
2019		15,389
2020		14,987
2021		14,987
Thereafter		143,411
Total	$	223,954

As of December 31, 2016, the estimated remaining weighted-average useful life of the Company’s acquired intangibles was 14.7 years. The Company recognizes amortization expense for acquired intangibles on a straight-line basis.

- 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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