Impairment, Restructuring and Other Charges - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Brazil
Impairment of Long-Lived Assets [Line Items]
Asset impairment charges	$ 7.3	$ 23.6	$ 8.2	$ 27.8
Restructuring charges	2.0		5.3
Corporate
Impairment of Long-Lived Assets [Line Items]
Restructuring charges	$ 1.3	$ 5.4	$ 3.0	$ 5.4