Accumulated Other Comprehensive Income (Loss) Table 1 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
As of December 31, 2014	$ (898.4)
Foreign currency translation adjustments	(626.8)
Unrealized gain (loss) on derivative instruments	21.3
Reclassification of derivative (gain) loss to income	(2.0)
Pension and other postretirement benefit adjustments	(2.2)
Amortization of net prior service (benefit) cost and net actuarial (gain) loss to income	11.3
Other Comprehensive Income (Loss), Ownership Share of Unconsolidated Subsidiaries	3.4
Tax benefit (expense)	(42.4)
As of March 31, 2015	(1,535.8)
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
As of December 31, 2014	129.8
Foreign currency translation adjustments	(626.8)
Unrealized gain (loss) on derivative instruments	0
Reclassification of derivative (gain) loss to income	0
Amortization of net prior service (benefit) cost and net actuarial (gain) loss to income	0
Other Comprehensive Income (Loss), Ownership Share of Unconsolidated Subsidiaries	0
Tax benefit (expense)	(37.5)
As of March 31, 2015	(534.5)
Gain (loss) on derivative instruments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
As of December 31, 2014	15.0
Foreign currency translation adjustments	0
Unrealized gain (loss) on derivative instruments	21.3
Reclassification of derivative (gain) loss to income	(2.0)
Amortization of net prior service (benefit) cost and net actuarial (gain) loss to income	0
Other Comprehensive Income (Loss), Ownership Share of Unconsolidated Subsidiaries	0
Tax benefit (expense)	(1.8)
As of March 31, 2015	32.5
Pension and postretirement benefit adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
As of December 31, 2014	(658.5)
Foreign currency translation adjustments	0
Unrealized gain (loss) on derivative instruments	0
Reclassification of derivative (gain) loss to income	0
Pension and other postretirement benefit adjustments	(2.2)
Amortization of net prior service (benefit) cost and net actuarial (gain) loss to income	11.3
Other Comprehensive Income (Loss), Ownership Share of Unconsolidated Subsidiaries	0
Tax benefit (expense)	(1.9)
As of March 31, 2015	(651.3)
Equity method investments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
As of December 31, 2014	(384.7)
Foreign currency translation adjustments	0
Unrealized gain (loss) on derivative instruments	0
Reclassification of derivative (gain) loss to income	0
Amortization of net prior service (benefit) cost and net actuarial (gain) loss to income	0
Other Comprehensive Income (Loss), Ownership Share of Unconsolidated Subsidiaries	3.4
Tax benefit (expense)	(1.2)
As of March 31, 2015	$ (382.5)