GOODWILL AND INTANGIBLE ASSETS - SCHEDULE OF CHANGES IN CARRYING VALUE OF GOODWILL BY REPORTABLE SEGMENT (Details) $ in Thousands	9 Months Ended
	Sep. 28, 2025 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 2,705,753
Measurement period adjustments	1,382
Foreign currency translation	4,203
Goodwill, ending balance	2,711,338
Operating Segments | North America Confectionery
Goodwill [Roll Forward]
Goodwill, beginning balance	2,032,857
Measurement period adjustments	1,382
Foreign currency translation	3,215
Goodwill, ending balance	2,037,454
Operating Segments | North America Salty Snacks
Goodwill [Roll Forward]
Goodwill, beginning balance	657,001
Measurement period adjustments	0
Foreign currency translation	0
Goodwill, ending balance	657,001
Operating Segments | International
Goodwill [Roll Forward]
Goodwill, beginning balance	15,895
Measurement period adjustments	0
Foreign currency translation	988
Goodwill, ending balance	$ 16,883