Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill and accumulated impairment (loss) during the three months ended March 31, 2017 and year ended December 31, 2016 were as follows:


	Three Months Ended March 31, 2017							Twelve Months Ended December 31, 2016
	Gross Carrying Amount		Accumulated Impairment (Loss)			Net		Gross Carrying Amount			Accumulated Impairment (Loss)			Net
Beginning balance at January 1	$	727,999	$	(139,414	)	$	588,585	$	339,117		$	(139,414	)	$	199,703
Acquired goodwill⁽¹⁾		—		—			—		396,027			—			396,027
Foreign currency translation		1,917		—			1,917		(7,145	)		—			(7,145	)

Ending balance at March 31, 2017 and December 31, 2016	$	729,916	$	(139,414	)	$	590,502	$	727,999		$	(139,414	)	$	588,585

⁽¹⁾	During 2016, the Company recorded $396,027 of goodwill related to the Newport Merger.

Intangible Assets

Components of the Company’s intangible assets are comprised of the following:


As of March 31, 2017:	Gross		Accumulated Amortization			Foreign Currency Translation			Net
Completed technology	$	176,586	$	(103,127	)	$	(746	)	$	72,713
Customer relationships		285,044		(34,246	)		(2,634	)		248,164
Patents, trademarks, trade names and other		111,723		(36,118	)		(73	)		75,532

	$	573,353	$	(173,491	)	$	(3,453	)	$	396,409


As of December 31, 2016:	Gross		Accumulated Amortization			Foreign Currency Translation			Net
Completed technology⁽¹⁾	$	176,586	$	(97,707	)	$	(1,068	)	$	77,811
Customer relationships⁽¹⁾		285,044		(29,709	)		(3,404	)		251,931
Patents, trademarks, trade names and other⁽¹⁾		111,723		(33,397	)		(64	)		78,262

	$	573,353	$	(160,813	)	$	(4,536	)	$	408,004

⁽¹⁾

During 2016, the Company recorded $404,506 of separately identified intangible assets related to the Newport Merger, of which $75,386 was completed technology, $247,793 was customer relationships and $81,327 was patents, trademarks, trade names, in-process research and development and other. During 2016, the Company also recorded $4,302 of unfavorable lease commitments, which is recorded in other liabilities in the balance sheet.

Estimated Net Amortization Expense

Aggregate net amortization expense related to acquired intangible assets and unfavorable lease commitments for future years is as follows:


Year	Amount
2017 (remaining)	$	33,053
2018		42,951
2019		39,833
2020		27,940
2021		20,071
2022		17,475
Thereafter		155,672