Components of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,296,953	$ 1,310,464
Accumulated Amortization	(262,364)	(251,672)
Indefinite Useful Life in Process Research and Development
Finite-Lived Intangible Assets [Line Items]
In-process research and development	48,594	53,157
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	576,336	580,151
Accumulated Amortization	(147,679)	(141,520)
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	274,842	276,458
Accumulated Amortization	(98,750)	(95,967)
Distribution rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,415	16,567
Accumulated Amortization	(13,857)	(13,880)
Taut tradename
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	380,766	384,131
Accumulated Amortization	$ (2,078)	$ (305)