SEGMENT INFORMATION - SCHEDULE OF NET SALES AND EARNINGS BY SEGMENT (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Segment Reporting Information [Line Items]
Net sales	$ 3,252,749	$ 2,987,614
Operating profit	1,058,100	799,924
Cost associated with business realignment activities	16,666	2,349
Interest expense, net	39,822	37,685
Other (income) expense, net	32,020	2,983
Income before income taxes	986,258	759,256
Operating Segments
Segment Reporting Information [Line Items]
Operating profit	1,029,650	989,591
Operating Segments | North America Confectionery
Segment Reporting Information [Line Items]
Net sales	2,707,310	2,452,165
Operating profit	948,195	887,750
Operating Segments | North America Salty Snacks
Segment Reporting Information [Line Items]
Net sales	275,106	269,985
Operating profit	38,705	46,792
Operating Segments | International
Segment Reporting Information [Line Items]
Net sales	270,333	265,464
Operating profit	42,750	55,049
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Unallocated corporate expense	172,899	177,074
Segment Reconciling Items
Segment Reporting Information [Line Items]
Unallocated mark-to-market (gains) losses on commodity derivatives	(218,015)	10,244
Cost associated with business realignment activities	$ 16,666	$ 2,349