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Accumulated Other Comprehensive Loss (Income) Related to Derivative Transactions (Detail) - USD ($) $ in Thousands | 4 Months Ended
--- | ---
Apr. 18, 2020 | Apr. 20, 2019
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives | [1] | $ (3,849) | $ (9,593)
Closed Contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Estimated amount of derivatives to be reclassified in income from AOCI |  | (123) |
Closed Contracts | Commodity price risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Estimated amount of derivatives to be reclassified in income from AOCI |  | (278) |
Closed Contracts | Interest rate risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Estimated amount of derivatives to be reclassified in income from AOCI |  | 155 |
Expiring in 2020 |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives |  | (1,620) |
Expiring in 2020 | Commodity price risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives |  | (1,620) |
Expiring in 2021 |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives |  | 169 |
Expiring in 2021 | Commodity price risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives |  | 169 |
Expiring in 2022 |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives |  | (206) |
Expiring in 2022 | Commodity price risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives |  | (206) |
Closed or Expiring Over Next Four Years |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives |  | (1,780) |
Closed or Expiring Over Next Four Years | Commodity price risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives |  | (1,935) |
Closed or Expiring Over Next Four Years | Interest rate risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives |  | $ 155 |
[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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80845-113994 + Details
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- Definition Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580 + Details
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