SEGMENT INFORMATION - NARRATIVE (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018	Dec. 31, 2019
North America | Geographic Concentration Risk | Sales Revenue, Goods, Net
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage			89.00%
Operating Segments | Commodities futures and options
Revenue, Major Customer [Line Items]
Net gains (losses) on commodity derivative positions reclassified from unallocated to segment income	$ 3,095	$ (23,471)	$ 6,400	$ (73,779)
Forecast | Operating Segments | Commodities futures and options
Revenue, Major Customer [Line Items]
Net gains (losses) on commodity derivative positions reclassified from unallocated to segment income					$ 25,283
Cost of Sales | Commodities futures and options
Revenue, Major Customer [Line Items]
Derivative, Gain (Loss) on Derivative, Net			$ 53,765