Business Segments (Geographic Information on Certain Long-Lived Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Certain Long-Lived Assets	$ 9,818.4	$ 13,331.4	$ 13,481.5
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Certain Long-Lived Assets	5,484.7	5,419.5	4,267.9
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Certain Long-Lived Assets	2,310.6	3,574.6	3,834.9
Malaysia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Certain Long-Lived Assets	1,912.0	4,258.8	5,301.7
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Certain Long-Lived Assets		0.4	0.4
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Certain Long-Lived Assets	$ 111.1	$ 78.1	$ 76.6