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Commitments and Contingencies - Schedule of Unions Representing Employees and the Expiration Date for Agreements (Detail)
 12 Months Ended
Dec. 28, 2019
Norfolk Virginia [Member]  
Commitments And Contingencies [Line Items]  
Union Locals IBT 822
Expiration Dates 2022-04
Bellefontaine, Ohio GTL Truck Lines, Inc. [Member]  
Commitments And Contingencies [Line Items]  
Union Locals IBT 908
Expiration Dates 2022-02
Bellefontaine Ohio General Merchandise Service Division [Member]  
Commitments And Contingencies [Line Items]  
Union Locals IBT 908
Expiration Dates 2022-02
Columbus Georgia [Member]  
Commitments And Contingencies [Line Items]  
Union Locals IBT 528
Expiration Dates 2022-09
Landover Maryland [Member]  
Commitments And Contingencies [Line Items]  
Union Locals IBT 639
Expiration Dates 2021-02
Grand Rapids Michigan [Member]  
Commitments And Contingencies [Line Items]  
Union Locals IBT 406
Expiration Dates 2022-10
Lima Ohio [Member]  
Commitments And Contingencies [Line Items]  
Union Locals IBT 908
Expiration Dates 2022-01