CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net income before allocation to noncontrolling interests	$ 63.3	$ 55.2
Currency translation adjustment	22.2	31.8
Changes in pension and postretirement plan assets and benefit obligation, net of tax benefit	2.3	1.9
Other comprehensive income (loss)	24.5	33.7
Comprehensive income before allocation to noncontrolling interests	87.8	88.9
Less: Noncontrolling interests in comprehensive income (loss)	0.4	0.3
Comprehensive income attributable to common shareholders	$ 87.4	$ 88.6