Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net income	$ 94.1	$ 96.4	$ 411.9	$ 371.8
Other comprehensive income (loss):
Change in derivative instruments designated as cash flow hedges, net of tax	(2.0)	(0.4)	5.4	(15.9)
Foreign currency translation adjustments	26.6	(12.5)	55.3	8.2
Benefit plan adjustments, net of tax	8.5	1.7	12.8	5.1
Other comprehensive income (loss)	33.1	(11.2)	73.5	(2.6)
Comprehensive income	$ 127.2	$ 85.2	$ 485.4	$ 369.2