Inventory (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Inventory, Net Disclosure [Abstract]
Raw Materials	$ 127.4	$ 122.2
Work in Process	80.8	71.3
Finished Goods	240.1	213.3
Inventory Subtotal	448.3	406.8
Excess of FIFO over LIFO cost basis	(92.0)	(88.5)
Inventories, Net	$ 356.3	$ 318.3