Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) [Abstract]
Net income (loss)	$ 13.8	$ (7.4)	$ (4.7)	$ (24.7)
Other comprehensive income (loss):
Foreign currency translation	4.1	(2.7)	4.8	(1.2)
Total comprehensive income (loss)	$ 17.9	$ (10.1)	$ 0.1	$ (25.9)