CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 9.1	$ (470.5)	$ 29.8	$ (440.8)
Other Comprehensive (Loss) Income, Net of Tax
Unrealized currency translation adjustments	(0.5)	(12.5)	3.0	(22.3)
Defined benefit plans	0.1	0.0	0.2	0.2
Cash flow hedges	0.2	(1.4)	1.7	(1.6)
Total Other Comprehensive (Loss) Income, Net of Tax	(0.2)	(13.9)	4.9	(23.7)
Comprehensive Income (Loss)	$ 8.9	$ (484.4)	$ 34.7	$ (464.5)