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Summary of AOCI Exclusive of Reclassification (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Accumulated Other Comprehensive Income Loss [Line Items]
Amount of Gain (Loss) Recognized in AOCI, Derivative instruments net of tax	$ 9,298	$ 8,457	$ 2,978
Amount of Gain (Loss) Recognized in AOCI, Current year, net of tax	27,886	457	(16,853)
Derivative Instruments
Accumulated Other Comprehensive Income Loss [Line Items]
Amount of Gain (Loss) Recognized in AOCI, Derivative instruments before tax	12,395	11,313	3,984
Amount of Gain (Loss) Recognized in AOCI, Derivative instruments tax (expense)	(3,097)	(2,856)	(1,006)
Amount of Gain (Loss) Recognized in AOCI, Derivative instruments net of tax	9,298	8,457	2,978
Amount of Gain (Loss) Recognized in AOCI, Current year, net of tax	9,298	8,457
Current Year Actuarial Loss
Accumulated Other Comprehensive Income Loss [Line Items]
Amount of Gain (Loss) Recognized in AOCI, Current year, before tax	24,872	(10,702)	(26,528)
Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
Amount of Gain (Loss) Recognized in AOCI, Current year, before tax	24,872	(10,702)	(26,528)
Amount of Gain (Loss) Recognized in AOCI, Current year, tax benefit (expense)	(6,284)	2,702	6,697
Amount of Gain (Loss) Recognized in AOCI, Current year, net of tax	18,588	(8,000)	(19,831)
Commodity Contract
Accumulated Other Comprehensive Income Loss [Line Items]
Amount of Gain (Loss) Recognized in AOCI, Derivative instruments net of tax	9,298	8,457	2,978
Commodity Contract | Derivative Instruments
Accumulated Other Comprehensive Income Loss [Line Items]
Amount of Gain (Loss) Recognized in AOCI, Derivative instruments before tax	$ 12,395	$ 11,313	$ 3,984

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