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Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Sep. 29, 2012
Income Taxes [Abstract]    
Unrecognized tax benefits $ 2.0 $ 1.7
Unrecognized tax benefits that would favorably impact the effective tax rate on continuing operations 0.8 0.5
Tax benefit through R&D legislation $ 1.3