Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Unrealized gain (loss) on available-for-sale securities, income taxes	$ 0.1	$ 0.1	$ 0.1	$ 0.2
Foreign currency translation adjustment, income taxes	37.7	(63.5)	53.3	(158.0)
Defined benefit pension and postemployment plans adjustment, income taxes	$ 0.9	$ 1.1	$ 1.8	$ 2.4