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Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2019 were as follows:

	Goodwill
	(in thousands)
Balance as of December 31, 2018	$	632,370
Foreign currency translation		(2,774	)
Balance as of March 31, 2019	$	629,596

Schedule of Intangible Assets

Intangible assets consisted of the following:

	March 31, 2019
	Weighted- Average Remaining Useful Life - Years				Gross Carrying Amount				Accumulated Amortization				Net
	(in thousands, except years)
Domain names		1.5			$	5,414			$	4,554			$	860
Trademarks		1.2				5,772				4,407				1,365
Acquired developed technology		3.6				179,330				86,899				92,431
Customer relationships		2.0				15,572				8,893				6,679
Patents		6.6				19,710				5,659				14,051
					$	225,798			$	110,412			$	115,386

	December 31, 2018
	Weighted- Average Remaining Useful Life - Years				Gross Carrying Amount				Accumulated Amortization				Net
	(in thousands except years)
Domain names		1.6				5,414			$	4,283			$	1,131
Trademarks		1.4				5,772				4,076				1,696
Acquired developed technology		3.8				179,791				78,729				101,062
Customer relationships		2.1				15,572				8,012				7,560
Patents		6.9				19,710				5,105				14,605
					$	226,259			$	100,205			$	126,054

Schedule of Estimated Intangible Asset Amortization Expense

As of March 31, 2019, the estimated intangible asset amortization expense for the next five years and thereafter is as follows:

	Estimated Amortization
	(in thousands)
Remainder of 2019	$	28,229
2020		32,113
2021		25,050
2022		15,411
2023		8,378
Thereafter		6,205
Total	$	115,386

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Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
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Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

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Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

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-Name Accounting Standards Codification
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-SubTopic 30
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