Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) [Abstract]
Net income (loss)	$ (18.5)	$ (17.3)
Other comprehensive income:
Foreign currency translation	0.7	1.5
Total comprehensive income (loss)	$ (17.8)	$ (15.8)