Goodwill and Intangible Assets - Schedule of Other Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 236,509	$ 225,326
Accumulated Amortization	(63,586)	(53,812)
Net	172,923	171,514
Software in Development [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,690	3,746
Accumulated Amortization
Net	3,690	3,746
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (Years)	15 years
Gross Carrying Amount	196,903	210,546
Accumulated Amortization	(55,844)	(49,713)
Net	141,059	160,833
Manufacturing Capacity Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (Years)	6 years
Gross Carrying Amount	24,079
Accumulated Amortization	(1,952)
Net	22,127
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (Years)	5 years
Gross Carrying Amount	11,837	11,034
Accumulated Amortization	(5,790)	(4,099)
Net	$ 6,047	$ 6,935