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 before allocation to noncontrolling interests	$ 68.5	$ 63.7	$ 201.1	$ 187.3
Currency translation adjustment	24.6	(5.2)	83.2	11.6
Changes in pension and postretirement plan assets and benefit obligation, net of tax benefit	2.3	1.8	6.9	5.6
Other comprehensive income (loss)	26.9	(3.4)	90.1	17.2
Comprehensive income before allocation to noncontrolling interests	95.4	60.3	291.2	204.5
Less: Noncontrolling interests in comprehensive income (loss)	(1.4)	0.2	(0.7)	0.5
Comprehensive income attributable to common shareholders	$ 96.8	$ 60.1	$ 291.9	$ 204.0