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Deferred Revenue and Advances from Customers (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Deferred Revenue and Credits, Current [Abstract]          
Advances from customers $ 0   $ 0   $ 2.4
Other (income) $ 35.9 $ 34.6 $ 124.2 $ 44.6