Summary of Significant Accounting Policies (Details) $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
	Dec. 31, 2014 USD ($) Segment Region VEF / $	Jun. 30, 2015 USD ($) Country Region VEF / $	Jun. 30, 2015 USD ($) Country Segment Region VEF / $	Jun. 30, 2014 USD ($)	Feb. 28, 2015 VEF / $	Mar. 31, 2014 VEF / $	Mar. 24, 2014 VEF / $	Mar. 23, 2014 VEF / $	Dec. 31, 2013 USD ($)
Number of operating segments | Segment	9		9
Number of countries in which the entity operates, within the five largest markets	5	5	5
Number of regions in which the entity operates, within global markets | Region	3	3	3
Foreign Currency Transaction [Abstract]
Accumulated other comprehensive losses related to Venezuela	$ 792.0	$ 818.5	$ 818.5
Cash and cash equivalents	176.2	181.1	181.1	$ 224.7					$ 255.5
Venezuela impairment charge		$ 34.5	$ 34.5	0.0
Venezuelan bolívar fuerte
Foreign Currency Transaction [Abstract]
Remeasurement rate | VEF / $		197	197
Minimum | Venezuelan bolívar fuerte
Foreign Currency Transaction [Abstract]
Remeasurement rate | VEF / $					52	6.3		6.3
Maximum | Venezuelan bolívar fuerte
Foreign Currency Transaction [Abstract]
Remeasurement rate | VEF / $					170	50	50
Venezuela
Foreign Currency Transaction [Abstract]
Revenues accounted for by Venezuela			$ 32.7	$ 153.6
Venezuelan revenues as a percentage of total revenues			2.00%	8.00%
Net remeasurement loss			$ (18.2)	$ (122.2)
Loss attributable to noncontrolling interest			5.6	$ 39.8
Accumulated other comprehensive losses related to Venezuela	$ 113.0	$ 112.4	112.4
Carrying value of long-lived assets		3.7	3.7
Venezuela | Venezuelan bolívar fuerte
Foreign Currency Transaction [Abstract]
Published exchange rate | VEF / $	51
Amount approved to be obtained	$ 1.2
Remeasurement rate | VEF / $								6.3
Nonmonetary assets	55.0	14.2	14.2
Investment in Venezuela operations	59.6	24.5	24.5
Net monetary assets	23.5	4.3	4.3
Cash and cash equivalents	$ 12.6	$ 3.7	$ 3.7
Venezuela | Minimum | Venezuelan bolívar fuerte
Foreign Currency Transaction [Abstract]
Published exchange rate | VEF / $	10				170	49
Venezuela | Maximum | Venezuelan bolívar fuerte
Foreign Currency Transaction [Abstract]
Published exchange rate | VEF / $	12				200	52