Inventory (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Deferred Production Inventory [Abstract]
Deferred Production Costs	$ 813.2	$ 760.0
Charges To Costs And Expenses Deferred Production Inventory	(260.1)	(488.7)
Capitalized Costs Deferred Production Inventory	617.6	542.1
Exchange Rate Deferred Production Inventory	3.1	(0.2)
Deferred Production Costs	$ 1,173.8	$ 813.2