Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and intangible assets

Goodwill and intangible assets consisted of the following:

	Weighted-
	Average
	Amortization
(in thousands, except years)	Period	Gross		Accumulated			Intangible
June 30, 2016:	(in years)	Amount		Amortization			Assets, net
Intangible assets subject to amortization:
Developed technology	8	$	226,548	$	(50,989	)	$	175,559
Manufacturing know-how and trade secrets	12		21,802		(14,072	)		7,730
Trade name and trademarks	9		25,700		(6,431	)		19,269
Customer relationships	8		93,472		(32,423	)		61,049
Total intangible assets subject to amortization	8	$	367,522	$	(103,915	)	$	263,607
Intangible assets not subject to amortization:
Goodwill							$	405,569
Total goodwill and intangible assets, net							$	669,176

	Weighted-
	Average
	Amortization
	Period	Gross		Accumulated			Intangible
December 31, 2015:	(in years)	Amount		Amortization			Assets, net
Intangible assets subject to amortization:
Developed technology	9	$	92,648	$	(37,382	)	$	55,266
Manufacturing know-how and trade secrets	12		21,787		(13,296	)		8,491
Trade name and trademarks	11		9,500		(5,068	)		4,432
Customer relationships	8		44,752		(27,865	)		16,887
Total intangible assets subject to amortization	10	$	168,687	$	(83,611	)	$	85,076
Intangible assets not subject to amortization:
Goodwill							$	154,281
Total goodwill and intangible assets, net							$	239,357

Schedule of changes in the carrying value of goodwill

The following table summarizes the changes in the carrying value of the Company’s goodwill:

	Six Months Ended June 30,
(in thousands)	2016			2015
Goodwill at beginning of period	$	154,281		$	154,273
Increases recorded in business combinations		251,289			—
Changes resulting from foreign currency fluctuations		(1	)		32
Goodwill at end of period	$	405,569		$	154,305

Future amortization expense related to intangible assets

Total future amortization expense related to intangible assets subject to amortization at June 30, 2016 is set forth in the table below:

(in thousands)
Remaining 2016	$	23,083
2017		42,977
2018		40,881
2019		39,195
2020		38,738
2021		36,823
Thereafter through 2027		41,910
Total future amortization expense	$	263,607