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Employee Benefit Plans (Nonqualified Deferred Compensation Plans) (Details) (Management [Member], USD $)
In Millions, unless otherwise specified
Jan. 01, 2012
Jan. 02, 2011
Management [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Deferred Compensation Arrangement with Individual, Recorded Liability $ 0.9 $ 0.9