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Retirement Plans (Weighted Average Assumptions for Net Periodic Benefit Cost) (Details) (Pension Plans, Defined Benefit [Member])	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Pension Plans, Defined Benefit [Member]
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Weighted average discount rate (percent)	3.75%	4.25%	5.25%
Expected long-term rate of return on plan assets (percent)	8.00%	8.00%	8.00%
Rate of compensation increase (percent)	0.00%	0.00%	3.00%

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

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