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Derivative Financial Instruments - Summary of Fair Values and Classification in Consolidated Balance Sheets of Derivative Instruments (Detail) - USD ($)
$ in Thousands
Jul. 03, 2016
Jan. 03, 2016
Jun. 28, 2015
Assets:      
Total assets $ 662 $ 3 $ 575
Liabilities:      
Total liabilities 291 3,442 681
Commodity Contract [Member] | Not Designated as Hedging Instruments [Member] | Prepaid Expenses and Other Current Assets [Member]      
Assets:      
Total assets 102   428
Commodity Contract [Member] | Not Designated as Hedging Instruments [Member] | Other Assets [Member]      
Assets:      
Total assets 560 3 147
Commodity Contract [Member] | Not Designated as Hedging Instruments [Member] | Other Accrued Liabilities [Member]      
Liabilities:      
Total liabilities $ 291 $ 3,442 569
Commodity Contract [Member] | Not Designated as Hedging Instruments [Member] | Other Liabilities [Member]      
Liabilities:      
Total liabilities     $ 112