Summary of Reclassifications Out of AOCI (Detail) - USD ($) $ in Thousands		12 Months Ended
		Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassification from AOCI, Gains and losses on derivative instruments net of tax		$ 1,681	$ (2,116)	$ 2,664
Reclassification From AOCI, Current Period Net Of Tax	[1]	938	(84,558)	(2,694)
Derivative Instruments
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassification from AOCI, Gains and losses on cash flow hedges before tax	[1]	2,241	(2,820)	3,565
Reclassification from AOCI, Derivative instruments tax (expense) benefit	[1]	(560)	704	(901)
Reclassification from AOCI, Gains and losses on derivative instruments net of tax	[1]	1,681	(2,116)	2,664
Reclassification From AOCI, Current Period Net Of Tax		1,681	(2,116)
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]	(55)	(111)	(346)
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]	(403)	(108,757)
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]	(532)	(1,447)	(6,822)
Accumulated Defined Benefit Plans Adjustment
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassification from AOCI, Current Period, before Tax	[1]	(990)	(110,315)	(7,168)
Reclassification from AOCI, Current Period, Tax benefit	[1]	247	27,873	1,810
Reclassification From AOCI, Current Period Net Of Tax	[1]	(743)	(82,442)	(5,358)
Interest Rate Contracts | Derivative Instruments
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassification from AOCI, Gains and losses on cash flow hedges before tax	[1]	126	(145)	(142)
Commodity Contract | Derivative Instruments
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassification from AOCI, Gains and losses on cash flow hedges before tax	[1],[3]	2,115	(2,675)	3,707
Reclassification from AOCI, Derivative instruments tax (expense) benefit		(529)	668	(936)
Reclassification from AOCI, Gains and losses on derivative instruments net of tax		$ 1,586	$ (2,007)	$ 2,771

[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 20, 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.