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Significant Accounting Policies Significant Accounting Policies (Delivery Expenses) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Delivery Expenses [Abstract]      
Shipping, Handling and Transportation Costs $ 164.4 $ 160.4 $ 159.7