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Employee Benefit And Retirement Plans (Weighted Average Assumptions Used To Determine Benefit Costs And Benefit Obligations) (Details)
12 Months Ended
Dec. 30, 2011
Dec. 31, 2010
Jan. 01, 2010
Employee Benefit And Retirement Plans [Abstract]      
Discount rate used to determine benefit costs 5.75% 6.00% 6.75%
Discount rate used to determine benefit obligation 5.00% 5.75% 6.00%
Expected long-term rate of return on assets 6.50% 6.50% 6.50%