SEGMENT INFORMATION - SCHEDULE OF ADDITIONAL PRODUCT LINE SALES (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Net sales	$ 2,068,125	$ 2,134,422	$ 1,767,217	$ 2,016,488	$ 1,987,902	$ 2,079,593	$ 1,751,615	$ 1,971,959	$ 7,986,252	$ 7,791,069
Confectionery and confectionery-based portfolio
Segment Reporting Information [Line Items]
Net sales									7,553,954	7,453,364
Snacks portfolio
Segment Reporting Information [Line Items]
Net sales									$ 432,298	$ 337,705