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Derivative Instruments Recorded on Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands | Dec. 31, 2016 | Jan. 02, 2016
--- | --- | ---
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative Assets | $ 1,611 |
Derivative Liabilities | 2,435 | $ 14,887
Commodity Contract | Other Current Assets |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative Assets | 1,576 |
Commodity Contract | Other LongTerm Assets |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative Assets | 35 |
Commodity Contract | Other Current Liabilities |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative Liabilities | $ 2,435 | 14,867
Commodity Contract | Other LongTerm Liabilities |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative Liabilities |  | $ 20

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- Definition Fair value of all asset derivatives designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959 + Details
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- Definition Fair value of all liability derivatives designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959 + Details
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