Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 36.4	$ (18.3)	$ 58.8	$ 33.8
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	(64.4)	(27.3)	(146.7)	(38.3)
Unrealized gain (loss) on securities	(0.4)	0.0	0.0	0.8
Unrealized gain (loss) on derivatives	(3.5)	4.0	(8.0)	(1.0)
Unrealized gain (loss) on pension and other benefit plan obligations	(0.8)	(3.0)	(4.8)	1.8
Other comprehensive loss, before tax	(69.1)	(26.3)	(159.5)	(36.7)
Income tax benefit (provision) related to items of other comprehensive income	1.2	(0.7)	4.6	0.3
Other comprehensive loss, net of tax	(67.9)	(27.0)	(154.9)	(36.4)
Comprehensive loss	(31.5)	(45.3)	(96.1)	(2.6)
Less: Comprehensive income (loss) attributable to noncontrolling interests	(0.8)	1.6	1.4	2.0
Comprehensive loss attributable to controlling interests	$ (30.7)	$ (46.9)	$ (97.5)	$ (4.6)