Goodwill and Other Intangible Assets - Components of Identifiable Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	$ 1,228.4	$ 1,188.6
Accumulated amortization	(698.1)	(625.5)
Gross carrying amount	177.4	177.6
Total identifiable intangible assets	707.7	740.7
Technology [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	700.4	695.1
Accumulated amortization	(401.4)	(362.5)
Total identifiable intangible assets	299.0	332.6
Intellectual Property Rights [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	173.4	173.4
Accumulated amortization	(142.5)	(124.2)
Total identifiable intangible assets	30.9	49.2
Trademark And Trade Name [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	43.3	47.4
Accumulated amortization	(33.9)	(31.1)
Gross carrying amount	177.4	177.6
Total identifiable intangible assets	186.8	193.9
Customer Relationship [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	216.2	177.0
Accumulated amortization	(76.4)	(61.7)
Total identifiable intangible assets	139.8	115.3
Other Intangible Assets [Member]
Identifiable Intangible Assets Acquired [Line Items]
Gross carrying amount	95.1	95.7
Accumulated amortization	(43.9)	(46.0)
Total identifiable intangible assets	$ 51.2	$ 49.7