PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 28, 2025	Sep. 29, 2024	Sep. 28, 2025	Sep. 29, 2024	Dec. 29, 2024
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 108,000	$ 102,300	$ 309,600	$ 297,500
Expenditures on capital projects			437,300	285,800
Property, plant and equipment transfers and changes			259,300	360,700
Capital expenditures incurred but not yet paid			29,000		$ 29,200
Proceeds from property disposals	1,200	5,200	4,143	9,724
Loss on property disposals	(900)	$ 1,600	(2,855)	$ (1,104)
Idled assets property, plant and equipment, net	20,300		20,300
Idled asset property, plant and equipment gross	118,000		118,000
Idled assets, accumulated depreciation	$ (97,700)		(97,700)
Impairment of property, plant and equipment			$ 800