Goodwill and Intangible Assets, net

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill for the years ended December 31, 2014 and 2013, are as follows:



Balance as of December 31, 2012	$	—
Acquisitions	13,823
Balance as of December 31, 2013	13,823
Acquisitions	87,236
Balance as of December 31, 2014	$	101,059

No goodwill or accumulated impairment losses existed as of December 31, 2014 and 2013.

Intangible assets consist of the following at December 31, 2014:



	Gross Carrying Amount		Accumulated Amortization			Net
Patents, related technologies and know-how	$	41,872	$	(10,849	)	$	31,023
Customer relationships	10,700		(806		)	9,894
Trademarks	5,900		(298		)	5,602
In-process research and development	19,428		—			19,428
Total	$	77,900	$	(11,953	)	$	65,947

Intangible assets consist of the following at December 31, 2013:



	Gross Carrying Amount		Accumulated Amortization			Net
Patents, related technologies and know-how	$	34,772	$	(7,716	)	$	27,056
In-process research and development	14,900		—			14,900
Total	$	49,672	$	(7,716	)	$	41,956

Amortization expense was $4,237, $2,880 and $3,027 for the years ended December 31, 2014, 2013 and 2012, respectively. At December 31, 2014, the weighted average useful life for patents, related technologies and know-how; customer relationships; and trademarks was 11.5 years, 6.5 years, and 8.4 years, respectively. Total amortization expense is estimated to be $6,321 for each year from 2015 through 2016, $6,072 for 2017, $5,462 for 2018, $5,139 for 2019, and $17,204 for the cumulative period thereafter.

- 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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