Components of Other Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	$ 888.2	$ 1,315.3
Accumulated Amortization, amortizable intangible assets	(523.4)	(743.1)
Net Book Value, amortizable intangible assets	364.8	572.2
Total other intangible assets	906.3	1,333.4
Net book value	382.9	590.3
Indefinite-lived trade names	18.1	18.1
Customer Relationships
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	731.1	1,164.4
Accumulated Amortization, amortizable intangible assets	(388.0)	(613.6)
Net Book Value, amortizable intangible assets	343.1	550.8
Patents
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	98.3	98.3
Accumulated Amortization, amortizable intangible assets	(98.1)	(95.8)
Net Book Value, amortizable intangible assets	0.2	2.5
Other Intangible Assets
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	31.7	28.7
Accumulated Amortization, amortizable intangible assets	(26.1)	(24.4)
Net Book Value, amortizable intangible assets	5.6	4.3
Trade Names
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	27.1	23.9
Accumulated Amortization, amortizable intangible assets	(11.2)	(9.3)
Net Book Value, amortizable intangible assets	$ 15.9	$ 14.6