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Derivative Financial Instruments - Summary of Fair Values and Classification in Consolidated Balance Sheets of Derivative Instruments (Detail) - USD ($)
$ in Thousands
Oct. 02, 2016
Jan. 03, 2016
Sep. 27, 2015
Assets:      
Total assets $ 758 $ 3 $ 39
Liabilities:      
Total liabilities   3,442 2,275
Commodity Contract [Member] | Not Designated as Hedging Instruments [Member] | Prepaid Expenses and Other Current Assets [Member]      
Assets:      
Total assets 455    
Commodity Contract [Member] | Not Designated as Hedging Instruments [Member] | Other Assets [Member]      
Assets:      
Total assets $ 303 3 39
Commodity Contract [Member] | Not Designated as Hedging Instruments [Member] | Other Accrued Liabilities [Member]      
Liabilities:      
Total liabilities   $ 3,442 1,918
Commodity Contract [Member] | Not Designated as Hedging Instruments [Member] | Other Liabilities [Member]      
Liabilities:      
Total liabilities     $ 357