CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 55.9	$ 30.8	$ 33.1
Other comprehensive income (loss)
Foreign currency translation adjustments	(21.9)	(20.6)	(4.5)
Pension and other post-retirement benefits adjustments, net of tax	(7.4)	(36.4)	25.4
Derivatives designated as hedges, net of tax	(0.8)	0.0	0.0
Other comprehensive income (loss)	(30.1)	(57.0)	20.9
Comprehensive income (loss)	$ 25.8	$ (26.2)	$ 54.0