Components of Provision for Income Taxes Attributable to Continuing Operations (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current income tax expense:
U.S. federal	$ 63.1	$ 52.9	$ 1.4
Foreign	86.2	67.3	86.4
State and local	9.1	7.7	5.0
Total	158.4	127.9	92.8
Deferred income tax expense (benefit):
U.S. federal	7.9	26.8	55.5
Foreign	(15.8)	(2.6)	(25.3)
State, local and other, net of federal tax benefit	(2.8)	(4.5)	2.7
Total	(10.7)	19.7	32.9
Total income tax provision	$ 147.7	$ 147.6	$ 125.7