Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Schedule of accumulated other comprehensive loss
Balance at the beginning of the period	$ (99.7)
Current-period change	15.7
Balance at the end of the period	(84.0)
Deferred tax assets in accumulated other comprehensive income, pension liabilities	15.6	$ 15.6
Foreign Currency Transaction (Loss) Gain
Schedule of accumulated other comprehensive loss
Balance at the beginning of the period	(74.2)
Current-period change	15.7
Balance at the end of the period	(58.5)
Pension and Postretirement Benefit Adjustments, Net of Tax
Schedule of accumulated other comprehensive loss
Balance at the beginning of the period	(25.5)
Balance at the end of the period	$ (25.5)