Goodwill, In-Process Research and Development and Other Intangible Assets, Net - Estimated Useful Lives of Intangible Assets (Detail)	3 Months Ended
	Mar. 31, 2015
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	15 years
Trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	15 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	20 years
Minimum [Member] | Acquired Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	6 years
Maximum [Member] | Acquired Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	16 years