Pension Plans and Postretirement Benefits (Benefit Obligation and Net Benefit Cost) (Details)	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Domestic
Defined Benefit Plan Disclosure [Line Items]
Weighted average discount rate	4.91%	4.50%	5.40%
Weighted average increase in future compensation levels	2.75%	2.75%	2.75%
Expected weighted-average long-term rate of return	8.00%	8.25%	8.25%
Discount rate	4.54%	4.91%	4.50%
Salary growth rate	2.75%	2.75%	2.75%
Foreign | Minimum
Defined Benefit Plan Disclosure [Line Items]
Weighted average discount rate	0.90%	1.20%	2.10%
Weighted average increase in future compensation levels	1.00%	1.30%	1.75%
Expected weighted-average long-term rate of return	1.40%	1.80%	3.00%
Discount rate	0.60%	0.90%	1.20%
Salary growth rate	1.00%	1.00%	1.70%
Foreign | Maximum
Defined Benefit Plan Disclosure [Line Items]
Weighted average discount rate	3.60%	3.50%	4.30%
Weighted average increase in future compensation levels	2.43%	2.40%	2.50%
Expected weighted-average long-term rate of return	6.50%	6.40%	6.40%
Discount rate	2.50%	3.60%	3.50%
Salary growth rate	2.30%	2.40%	2.40%