Accrued Reorganization Costs Activity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Accrual Balance, at Beginning of Period			$ 25.7
Reorganization costs, net	3.0	9.3	4.4	9.3
Payments			(8.2)
Foreign Currency and Other
Accrual Balance, at End of Period	21.9		21.9
Severance and other employee-related
Restructuring Cost and Reserve [Line Items]
Accrual Balance, at Beginning of Period			12.9
Reorganization costs, net			3.4
Payments			(5.3)
Foreign Currency and Other
Accrual Balance, at End of Period	11.0		11.0
Other Costs
Restructuring Cost and Reserve [Line Items]
Accrual Balance, at Beginning of Period			12.8
Reorganization costs, net			1.0
Payments			(2.9)
Foreign Currency and Other
Accrual Balance, at End of Period	$ 10.9		$ 10.9