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Commitments and Contingencies - Schedule of Unions Representing Employees and the Expiration Date for Agreements (Detail)	12 Months Ended
	Jan. 03, 2015
Lima Ohio [Member]
Commitments And Contingencies [Line Items]
Union Locals	IBT 908
Expiration dates	2016-01
Bellefontaine Ohio General Merchandise Service Division [Member]
Commitments And Contingencies [Line Items]
Union Locals	IBT 908
Expiration dates	2016-02
Bellefontaine Ohio GTL Truck Lines Inc [Member]
Commitments And Contingencies [Line Items]
Union Locals	IBT 908
Expiration dates	2017-02
Westville Indiana [Member]
Commitments And Contingencies [Line Items]
Union Locals	IBT 135
Expiration dates	2016-05
Grand Rapids Michigan [Member]
Commitments And Contingencies [Line Items]
Union Locals	IBT 406
Expiration dates	2015-10
Norfolk Virginia [Member]
Commitments And Contingencies [Line Items]
Union Locals	IBT 822
Expiration dates	2016-04
Columbus Ohio [Member]
Commitments And Contingencies [Line Items]
Union Locals	IBT 528
Expiration dates	2016-09

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- Definition

Labor union agreement expiration date.

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- Definition

Unions representing employees.

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