Goodwill and Intangible Assets (Details 1) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Intangible assets subject to amortization:
Weighted Average Amortization Period	8 years	10 years
Gross Amount	$ 358,501	$ 168,687
Accumulated Amortization	(92,412)	(83,611)
Intangible Assets, net	266,089	85,076
Intangible assets not subject to amortization:
Goodwill	404,307	154,281	$ 154,273	$ 154,443
Total goodwill and intangible assets, net	$ 670,396	$ 239,357
Developed technology [Member]
Intangible assets subject to amortization:
Weighted Average Amortization Period	8 years	9 years
Gross Amount	$ 226,548	$ 92,648
Accumulated Amortization	(43,389)	(37,382)
Intangible Assets, net	$ 183,159	$ 55,266
Manufacturing know-how and trade secrets [Member]
Intangible assets subject to amortization:
Weighted Average Amortization Period	12 years	12 years
Gross Amount	$ 21,817	$ 21,787
Accumulated Amortization	(13,707)	(13,296)
Intangible Assets, net	$ 8,110	$ 8,491
Trade name and trademarks [Member]
Intangible assets subject to amortization:
Weighted Average Amortization Period	9 years	11 years
Gross Amount	$ 25,700	$ 9,500
Accumulated Amortization	(5,653)	(5,068)
Intangible Assets, net	$ 20,047	$ 4,432
Customer relationships [Member]
Intangible assets subject to amortization:
Weighted Average Amortization Period	9 years	8 years
Gross Amount	$ 84,436	$ 44,752
Accumulated Amortization	(29,663)	(27,865)
Intangible Assets, net	$ 54,773	$ 16,887