Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (9.1)	$ 1.5	$ (35.4)	$ (4.5)
Foreign currency translation adjustments
Foreign currency translation adjustments	161.5	19.7	(263.7)	23.0
Pension and post-retirement plans
Net loss recognized during the year	0.0	0.0	0.0	0.2
Pension and post-retirement plans	0.0	0.0	0.0	0.2
Tax expense	0.0	0.0	(0.5)	0.0
Pension and post-retirement plan, net of tax	0.0	0.0	(0.5)	0.2
Unrealized gain on available for sale securities
Unrealized gain on available for sale securities	0.3	0.1	0.2	0.0
Tax expense	0.0	0.0	0.0	0.0
Unrealized gain on available for sale securities, net of tax	0.3	0.1	0.2	0.0
Derivative financial instruments revaluation
Unrealized hedging loss arising during the period	0.0	(0.2)	0.0	(0.2)
Derivative financial instruments revaluation	0.0	(0.2)	0.0	(0.2)
Tax benefit	0.0	0.1	0.0	0.1
Derivative financial instruments revaluation, net of tax	0.0	(0.1)	0.0	(0.1)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Total other comprehensive income (loss), net of tax	161.8	19.7	(264.0)	23.1
Comprehensive income (loss)	152.7	21.2	(299.4)	18.6
Comprehensive (income) loss attributable to the non-controlling interests	(4.7)	(3.2)	3.6	(4.6)
Comprehensive income (loss) attributable to common stockholders	$ 148.0	$ 18.0	$ (295.8)	$ 14.0