Segment Reporting (Sales Information By Reportable Segments) (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) reportable_segment	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments, segments | reportable_segment			4
Net sales	$ 1,736.4	$ 2,154.8	$ 5,508.3	$ 7,238.5
Income (loss) from operations	79.1	108.7	275.8	531.1
Depreciation			162.0	180.4
Capital expenditures			147.1	229.3
Consolidated total assets	7,071.6		7,071.6		$ 7,395.9
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	1,736.4	2,154.8	5,508.3	7,238.5
Income (loss) from operations	117.8	129.7	413.8	642.9
Depreciation	53.8	61.1	162.0	180.4
Capital expenditures	45.8	73.8	147.1	229.3
Consolidated total assets	3,888.2		3,888.2		4,136.5
North America [Member]
Segment Reporting Information [Line Items]
Net sales	494.9	531.3	1,530.5	1,865.0
Income (loss) from operations	40.9	37.3	116.4	188.3
Depreciation	16.0	15.1	46.5	44.5
Capital expenditures	10.3	14.0	36.3	50.7
Consolidated total assets	1,021.5		1,021.5		1,026.9
South America [Member]
Segment Reporting Information [Line Items]
Net sales	231.4	455.0	760.7	1,248.8
Income (loss) from operations	10.5	36.4	38.8	94.2
Depreciation	4.9	7.1	16.4	19.9
Capital expenditures	7.4	14.1	17.4	30.6
Consolidated total assets	567.8		567.8		719.8
Europe/ Africa/ Middle East [Member]
Segment Reporting Information [Line Items]
Net sales	894.3	1,026.0	2,939.4	3,783.8
Income (loss) from operations	68.9	57.0	284.0	366.0
Depreciation	29.5	34.1	89.9	104.3
Capital expenditures	18.4	35.7	65.7	117.8
Consolidated total assets	1,904.3		1,904.3		2,036.0
Asia/Pacific [Member]
Segment Reporting Information [Line Items]
Net sales	115.8	142.5	277.7	340.9
Income (loss) from operations	(2.5)	(1.0)	(25.4)	(5.6)
Depreciation	3.4	4.8	9.2	11.7
Capital expenditures	9.7	$ 10.0	27.7	$ 30.2
Consolidated total assets	$ 394.6		$ 394.6		$ 353.8