Multiemployer Pension And Postretirement Plans (Narrative) (Details)	12 Months Ended
	Dec. 28, 2013
Minimum [Member]
Multiemployer Plans [Line Items]
Red zone multiemployer plans funded percentage	0.00%
Yellow zone multiemployer plans funded percentage	65.00%
Green zone multiemployer plan funded percentage	80.00%
Maximum [Member]
Multiemployer Plans [Line Items]
Red zone multiemployer plans funded percentage	65.00%
Yellow zone multiemployer plans funded percentage	80.00%