Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income	$ 235.6	$ 143.0	$ 94.5
Other comprehensive income (loss)
Defined benefit plans, net of $(8.5) million, $23.2 million and $(41.3) million of tax in 2015, 2014 and 2013, respectively	16.7	(42.7)	76.6
Foreign currency translation adjustments	(70.3)	(30.3)	(26.2)
Changes in cash flow hedges	(6.0)	(7.7)	(2.0)
Other comprehensive income (loss)	(59.6)	(80.7)	48.4
Comprehensive income	$ 176.0	$ 62.3	$ 142.9