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Contingent Liabilities And Settlements (Narrative) (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 29, 2014
Jun. 30, 2013
Mar. 31, 2013
Dec. 25, 2011
Jun. 29, 2014
Jun. 30, 2013
Nov. 02, 2011
Dec. 28, 2008
Commitments and Contingencies Disclosure [Abstract]                
Loss Contingency Accrual, at Carrying Value               $ 5,700,000
Estimated Litigation Liability             6,600,000  
Loss Contingency Accrual, Carrying Value, Provision       900,000        
Benefit due to reversal of accrued litigation reserve 0 0 6,600,000   0 6,584,000    
Loss Contingency, Damages Sought, Value         $ 65,000,000