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Accumulated Other Comprehensive Loss Related to Derivative Transactions (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 16, 2016 | Jul. 18, 2015 | Jul. 16, 2016 | Jul. 18, 2015
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Net change in fair value of derivatives | [1] | $ (3,525) | $ 5,818 | $ (937) | $ 1,390
Closed Contracts |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Estimated amount of derivatives to be reclassified in income from AOCI |  |  |  | 1,202 |
Closed Contracts | Commodity price risk derivatives |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Estimated amount of derivatives to be reclassified in income from AOCI |  |  |  | 320 |
Closed Contracts | Interest rate risk derivatives |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Estimated amount of derivatives to be reclassified in income from AOCI |  |  |  | 882 |
Expiring in 2016 |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Net change in fair value of derivatives |  |  |  | 5,597 |
Expiring in 2016 | Commodity price risk derivatives |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Net change in fair value of derivatives |  |  |  | 5,597 |
Expiring in 2017 |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Net change in fair value of derivatives |  |  |  | 2,382 |
Expiring in 2017 | Commodity price risk derivatives |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Net change in fair value of derivatives |  |  |  | 2,382 |
Closed or Expiring Over Next Three Years |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Net change in fair value of derivatives |  |  |  | 9,181 |
Closed or Expiring Over Next Three Years | Commodity price risk derivatives |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Net change in fair value of derivatives |  |  |  | 8,299 |
Closed or Expiring Over Next Three Years | Interest rate risk derivatives |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Net change in fair value of derivatives |  |  |  | $ 882 |
[1] | Amounts in parentheses indicate debits to determine net income.

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- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. + References No definition available. + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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