Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Unrealized gain (loss) on cash flow hedge, income taxes	$ (21.2)	$ 0.0	$ (6.6)	$ 0.0
Unrealized gain on available-for-sale securities, income taxes	0.0	0.0	0.1	0.2
Foreign currency translation adjustment, income taxes	(109.4)	(181.7)	(203.7)	(128.4)
Defined benefit pension and postemployment plans adjustment, income taxes	$ 1.4	$ 0.9	$ 4.4	$ 2.7