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Pensions and Other Benefit Plans - Company' Retirement Plan Asset Allocation and Target Allocations (Details)
Jan. 03, 2021
Dec. 29, 2019
Defined Benefit Plan Disclosure [Line Items]    
Percent of Plan Assets 100.00% 100.00%
Target Allocation 100.00%  
Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Percent of Plan Assets 66.00% 74.00%
Target Allocation 67.00%  
Debt securities    
Defined Benefit Plan Disclosure [Line Items]    
Percent of Plan Assets 34.00% 26.00%
Target Allocation 33.00%