Inventory (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Inventory, Net Disclosure [Abstract]
Raw Materials	$ 128.2	$ 122.2
Work in Process	81.0	71.3
Finished Goods	236.9	213.3
Inventory Subtotal	446.1	406.8
Excess of FIFO over LIFO cost basis	(90.8)	(88.5)
Inventories, Net	$ 355.3	$ 318.3