Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (1.3)	$ 2.1
Foreign currency translation (loss) gains, net	(2.6)	0.6
Other comprehensive (loss) income, net of tax	(2.6)	0.6
Comprehensive (loss) income	$ (3.9)	$ 2.7