CONSOLIDATED STATEMENT OF INCOME (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Special charges	$ 4.9	$ 3.2	$ 47.9	$ 35.7
Cost of sales
Special charges	$ 0.3		$ 26.2	$ 61.9