Impact of Derivative Financial Instruments on Condensed Consolidated Financial Statements (Detail) (USD $) In Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Pre-tax Gain (Loss) Recognized in Earnings	$ (1.9)	[1]	$ (0.2)	[1]	$ (2.0)	[1]	$ (1.4)	[1]
Amount of Pre-tax (Loss) Recognized in OCI	(4.5)		(1.5)		(4.9)		(5.3)
Amount of Pre-tax Loss Reclassified from AOCI into Earnings			(4.3)	[1]	(5.0)	[1]	(13.2)	[1]
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swap contract
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Pre-tax (Loss) Recognized in OCI	(4.5)		(1.5)		(4.9)		(5.3)
Amount of Pre-tax Loss Reclassified from AOCI into Earnings					(5.0)	[1]
Not Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swap contract
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Pre-tax Gain (Loss) Recognized in Earnings	0.1	[1]	(0.4)	[1]			(1.4)	[1]
Amount of Pre-tax Loss Reclassified from AOCI into Earnings			(4.3)	[1]			(13.2)	[1]
Not Designated as Hedging Instrument | Cash Flow Hedging | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Pre-tax Gain (Loss) Recognized in Earnings	$ (2.0)	[1]	$ 0.2	[1]	$ (2.0)	[1]

[1] Amount recognized in earnings related to interest rate swap contracts included in Interest expense and amounts recognized in earnings related to foreign exchange contracts included in Cost of sales.