Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Unrealized gain (loss) on available-for-sale securities, income taxes	$ 0	$ 0	$ 0.2	$ 0.2
Foreign currency translation adjustment, income taxes	(181.7)	94.4	(128.4)	(63.6)
Defined benefit pension and postemployment plans adjustment, income taxes	$ 0.9	$ 0.7	$ 2.7	$ 3.1