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Goodwill and Intangible Assets (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization expense on intangible assets $ 133.1 $ 110.4 $ 94.9
Impairment of Intangible Assets (Excluding Goodwill) 2.0 40.3  
Goodwill written off 1.6 1.6  
Nonmonetary transaction of intangible assets     30.3
Nonmonetary transaction of net sales     11.0
Nonmonetary transaction of deferred revenues     19.3
Deferred Revenue, Revenue Recognized   $ 1.6