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Employee Benefit Plans - Weighted-Average Assumptions Used (Details)
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Pension benefits | United States      
Weighted-average assumptions used to determine the benefit obligation      
Discount rate 0.00% 4.10%  
Rate of compensation increase 0.00% 0.00%  
Weighted-average assumptions used to determine net periodic benefit cost      
Discount Rate 4.10% 3.51% 4.03%
Expected Long-Term Return on Plan Assets 4.10% 4.50% 5.00%
Rate of Compensation Increase 0.00% 3.00% 3.00%
Pension benefits | Foreign Plan      
Weighted-average assumptions used to determine the benefit obligation      
Discount rate 2.59% 3.56%  
Rate of compensation increase 3.40% 3.24%  
Weighted-average assumptions used to determine net periodic benefit cost      
Discount Rate 2.58% 3.49% 3.45%
Expected Long-Term Return on Plan Assets 9.22% 7.43% 7.53%
Rate of Compensation Increase 2.81% 3.97% 3.65%
Other Post-Retirement      
Weighted-average assumptions used to determine the benefit obligation      
Discount rate 3.82% 4.32%  
Rate of compensation increase 5.57% 5.57%  
Weighted-average assumptions used to determine net periodic benefit cost      
Discount Rate 4.33% 3.58% 4.10%
Expected Long-Term Return on Plan Assets 9.22% 7.43% 7.53%
Rate of Compensation Increase 5.57% 3.05% 3.08%