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Defined Benefit Pension Plan (Details) (Pension Plans, Defined Benefit [Member], USD $)
In Millions, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Pension Plans, Defined Benefit [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 0.2 $ 0.1 $ 0.1
Net funding deficiency of the Benefit Plan $ 0.3 $ 0.2 $ 0.3