Business Segment Information (Details 2) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Summary of net sales and net long-lived assets by geographic area
Net sales	$ 1,804.6	$ 2,097.0	$ 2,172.3	$ 1,923.1	$ 2,032.4	$ 2,238.9	$ 2,291.9	$ 2,006.8	$ 7,997.0	$ 8,570.0	$ 8,468.1
Net long-lived assets	3,067.1				2,803.4				3,067.1	2,803.4
United States
Summary of net sales and net long-lived assets by geographic area
Net sales									4,738.0	5,090.7	5,103.9
Net long-lived assets	1,291.3				1,219.4				1,291.3	1,219.4
Brazil
Summary of net sales and net long-lived assets by geographic area
Net long-lived assets	463.1				458.6				463.1	458.6
Other
Summary of net sales and net long-lived assets by geographic area
Net long-lived assets	$ 1,312.7				$ 1,125.4				1,312.7	1,125.4
Foreign
Summary of net sales and net long-lived assets by geographic area
Net sales									$ 3,259.0	$ 3,479.3	$ 3,364.2