CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS [Abstract]
Net loss	$ (32.6)	$ (99.8)	$ (37.5)
Other comprehensive loss:
Foreign currency translation loss	(4.9)	(6.9)	(11.1)
Total comprehensive loss	$ (37.5)	$ (106.7)	$ (48.6)