Intangible Assets - Carrying Value of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Intangible Assets [Line Items]
Intangible assets, gross carrying amount	$ 492,791	$ 191,560
Intangible assets, accumulated amortization	(64,518)	(52,045)
Intangible assets, net carrying amount	428,273	139,515
Goodwill, gross carrying amount	778,708	336,591
Goodwill, accumulated amortization
Goodwill, net carrying amount	778,708	336,591	311,115
Finite-lived intangible assets, gross carrying amount	375,411	150,925
Finite-lived intangible assets, Accumulated amortization	(64,518)	(52,045)
Finite-lived intangible assets, net carrying amount	310,893	98,880
Indefinite-lived trademarks not subject to amortization [Member]
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Carrying amount	117,380	40,635
Indefinite lived intangible assets, accumulated amortization
Indefinite-lived intangible assets, Carrying amount	117,380	40,635
Trademark [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	391	391
Finite-lived intangible assets, Accumulated amortization	(176)	(44)
Finite-lived intangible assets, net carrying amount	215	347
Trademark [Member] | Indefinite-lived trademarks not subject to amortization [Member]
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Carrying amount	103,357	40,635
Indefinite lived intangible assets, accumulated amortization
Indefinite-lived intangible assets, Carrying amount	103,357	40,635
In-process research and development [Member] | Indefinite-lived trademarks not subject to amortization [Member]
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Carrying amount	14,023
Indefinite lived intangible assets, accumulated amortization
Indefinite-lived intangible assets, Carrying amount	14,023
Customer relationships [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	195,021	111,124
Finite-lived intangible assets, Accumulated amortization	(25,632)	(22,543)
Finite-lived intangible assets, net carrying amount	169,389	88,581
Developed technology [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	170,747	36,124
Finite-lived intangible assets, Accumulated amortization	(32,713)	(26,172)
Finite-lived intangible assets, net carrying amount	138,034	9,952
Backlog [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	9,252	3,286
Finite-lived intangible assets, Accumulated amortization	(5,997)	(3,286)
Finite-lived intangible assets, net carrying amount	$ 3,255