Retirement Plans (Details 8)	12 Months Ended
	Dec. 28, 2013
United States Pension Plan Assets Defined Benefit | Domestic Equity Securities
Target allocation ranges
Target plan asset allocations range maximum	40.00%
Target plan asset allocations range minimum	26.00%
United States Pension Plan Assets Defined Benefit | International Equity Securities
Target allocation ranges
Target plan asset allocations range maximum	22.00%
Target plan asset allocations range minimum	11.00%
United States Pension Plan Assets Defined Benefit | Debt securities
Target allocation ranges
Target plan asset allocations range maximum	35.00%
Target plan asset allocations range minimum	25.00%
United States Pension Plan Assets Defined Benefit | Private equity partnerships
Target allocation ranges
Target plan asset allocations range maximum	11.00%
Target plan asset allocations range minimum	5.00%
United States Pension Plan Assets Defined Benefit | Real estate
Target allocation ranges
Target plan asset allocations range maximum	13.00%
Target plan asset allocations range minimum	7.00%
United States Pension Plan Assets Defined Benefit | Hedge funds
Target allocation ranges
Target plan asset allocations range maximum	5.00%
Target plan asset allocations range minimum	0.00%
Foreign Pension Plans Defined Benefit | Equity securities
Target allocation ranges
Target plan asset allocations range maximum	65.00%
Target plan asset allocations range minimum	38.00%
Foreign Pension Plans Defined Benefit | Debt securities
Target allocation ranges
Target plan asset allocations range maximum	38.00%
Target plan asset allocations range minimum	29.00%
Foreign Pension Plans Defined Benefit | Real estate
Target allocation ranges
Target plan asset allocations range maximum	14.00%
Target plan asset allocations range minimum	3.00%