Accrued Restructuring Costs Activity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Accrual Balance, at Beginning of Period			$ 30.0
Restructuring costs, net	2.3	1.4	2.6	1.4
Payments			(16.9)
Accrual Balance, at End of Period	15.7		15.7
Severance and Other Employee-Related
Restructuring Cost and Reserve [Line Items]
Accrual Balance, at Beginning of Period			16.6
Restructuring costs, net			0.4
Payments			(13.9)
Foreign Currency and Other			(0.1)
Accrual Balance, at End of Period	3.0		3.0
Other Costs
Restructuring Cost and Reserve [Line Items]
Accrual Balance, at Beginning of Period			13.4
Restructuring costs, net			2.2
Payments			(3.0)
Foreign Currency and Other			0.1
Accrual Balance, at End of Period	$ 12.7		$ 12.7