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Summary of Reclassifications Out of AOCI (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Reclassification from AOCI, Derivative instruments net of tax |  | $ 2,664 | $ (1,079) | $ (1,367)
Reclassification From AOCI, Current Period Net Of Tax | [1] | (2,694) | (11,047) | (8,150)
Derivative Instruments |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Reclassification from AOCI, Derivative instruments before tax | [1] | 3,565 | (1,443) | (2,222)
Reclassification from AOCI, Derivative instruments tax (expense) benefit | [1] | (901) | 364 | 855
Reclassification from AOCI, Derivative instruments net of tax | [1] | 2,664 | (1,079) | (1,367)
Reclassification From AOCI, Current Period Net Of Tax |  | 2,664 | (1,079) |
Pension and postretirement plans, prior service credits |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Reclassification from AOCI, Current Period, before Tax | [1],[2] | (346) | (175) | (175)
Pension and postretirement plans, Settlement losses |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Reclassification from AOCI, Current Period, before Tax | [1],[2] |  | (7,781) | (4,649)
Pension and postretirement plans, actuarial losses |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Reclassification from AOCI, Current Period, before Tax | [1],[2] | (6,822) | (5,380) | (5,858)
Accumulated Defined Benefit Plans Adjustment |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Reclassification from AOCI, Current Period, before Tax | [1] | (7,168) | (13,336) | (10,682)
Reclassification from AOCI, Current Period, Tax benefit | [1] | 1,810 | 3,368 | 3,899
Reclassification From AOCI, Current Period Net Of Tax | [1] | (5,358) | (9,968) | (6,783)
Interest Rate Contracts | Derivative Instruments |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Reclassification from AOCI, Derivative instruments before tax | [1] | (142) | (142) | (142)
Commodity Contract | Derivative Instruments |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Reclassification from AOCI, Derivative instruments before tax | [1],[3] | 3,707 | (1,301) | (2,080)
Reclassification from AOCI, Derivative instruments tax (expense) benefit |  | (936) | 329 | 801
Reclassification from AOCI, Derivative instruments net of tax |  | $ 2,771 | $ (972) | $ (1,279)
[1] | Amounts in parentheses indicate debits to determine net income.
[2] | These items are included in the computation of net periodic pension cost. See Note 22, Postretirement Plans, for additional information.
[3] | Amounts are presented as an adjustment to reconcile net income to net cash provided by operating activities on the Consolidated Statements of Cash Flows.

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