Segment Information - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Segment	Sep. 30, 2012
Segment Reporting Information [Line Items]
Number of reportable business segments			3
Operating income	$ 144.9	$ 161.9	$ 482.2	$ 416.7
Adjustment
Segment Reporting Information [Line Items]
Operating income		(0.5)		(2.5)
Adjustment | North America
Segment Reporting Information [Line Items]
Net sales		(0.3)		(3.0)
Operating income		(0.3)		(1.3)
Adjustment | Europe/MiddleEast/Africa
Segment Reporting Information [Line Items]
Net sales		(0.3)		(1.7)
Operating income		(0.1)		(0.6)
Adjustment | APSA
Segment Reporting Information [Line Items]
Net sales		(0.2)		(1.6)
Operating income		$ (0.1)		$ (0.6)