Retirement and Post Retirement Health Care Plans (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer Contributions	$ 9,200,000	$ 4,700,000
Retirement plan, reduction of expense	$ 2,900,000
Defined benefit plan compensation increase assumption	3.00%	3.00%
Expected contribution to defined benefit pension plans	$ 3,300,000
Accumulated benefit obligation	$ 232,900,000	$ 226,900,000
Discount Rate	4.30%	4.60%
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer Contributions	$ 8,700,000	$ 9,900,000	$ 8,800,000
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer Contributions	10,400,000	9,200,000	$ 12,600,000
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer Contributions	9,200,000	$ 4,700,000
Future amortization of prior service cost	200,000
Amount to be amortized	2,200,000
Postretirement Health Coverage [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer Contributions	1,200,000
Future amortization of prior service cost	100,000
Amount to be amortized	0
Expected contribution to defined benefit pension plans	$ 1,100,000
Discount Rate	3.90%
Health care cost trend rate, 2025	4.50%
Effect of percentage point change in health care cost trend rate	$ 400,000
Minimum [Member] | Postretirement Health Coverage [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Health care cost trend rate, 2017	7.00%
Maximum [Member] | Postretirement Health Coverage [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Health care cost trend rate, 2017	5.40%