Goodwill and Intangible Assets, Net - Schedule of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 78,596	$ 49,672
Accumulated Amortization	(10,380)	(7,716)
Net	68,216	41,956
Patents, related technologies, and know-how
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	41,872	34,772
Accumulated Amortization	(9,930)	(7,716)
Net	31,942	27,056
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	11,100
Accumulated Amortization	(331)
Net	10,769
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,900
Accumulated Amortization	(119)
Net	5,781
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	19,724	14,900
Accumulated Amortization	0	0
Net	$ 19,724	$ 14,900