Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill and accumulated impairment losses were as follows:


	2016									2015
	Gross Carrying Amount			Accumulated Impairment Loss			Net			Gross Carrying Amount			Accumulated Impairment Loss			Net
Beginning balance at January 1	$	339,117		$	(139,414	)	$	199,703		$	331,795		$	(139,414	)	$	192,381
Acquired goodwill(1)		396,027			—			396,027			8,017			—			8,017
Foreign currency translation		(7,145	)		—			(7,145	)		(695	)		—			(695	)

Ending balance at December 31	$	727,999		$	(139,414	)	$	588,585		$	339,117		$	(139,414	)	$	199,703

(1)

During 2016, the Company recorded $396,027 of goodwill related to the Newport Merger. During 2015, the Company recorded $7,042 of goodwill related to the acquisition of Precisive. During 2015, the Company recorded a purchase accounting adjustment of $975 primarily related to an inventory valuation adjustment related to an acquisition that occurred in 2014.

Intangible Assets

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


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. The Company also recorded $4,302 of unfavorable lease commitments, which is recorded in other liabilities in the balance sheet.


As of December 31, 2015	Gross		Accumulated Amortization			Foreign Currency Translation			Net
Completed technology(1)	$	101,200	$	(82,330	)	$	(272	)	$	18,598
Customer relationships(1)		37,251		(16,345	)		10			20,916
Patents, trademarks, trade names and other(1)		30,396		(25,888	)		5			4,513

	$	168,847	$	(124,563	)	$	(257	)	$	44,027

(1)	During 2015, the Company recorded $5,110 of separately identified intangible assets related to the acquisition of Precisive, of which $820 was completed technology, $1,430 was customer relationships and $2,860 was patents, trademarks, trade names and other.

Estimated Net Amortization Expense

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


Year	Amount
2017	$	45,252
2018		42,563
2019		39,450
2020		27,580
2021		19,708
Thereafter		173,871