Provision for Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal	$ 168.1	$ 133.6	$ 106.6
State and Local	33.7	28.1	22.1
Non-U.S.	86.4	89.8	82.9
Total current	288.2	251.5	211.6
Deferred:
Federal	35.7	9.3	(14.7)
State and Local	4.5	7.0	10.6
Non-U.S.	(4.1)	(6.0)	(6.5)
Total deferred	36.1	10.3	(10.6)
Total provision for income taxes	$ 324.3	$ 261.8	$ 201.0