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Business and Summary of Significant Accounting Policies Other Assets (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Dec. 29, 2012
Minimum [Member]
Dec. 29, 2012
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]        
Goodwill $ 2.9 $ 2.9    
Finite-Lived Intangible Asset, Useful Life     10 years 17 years