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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Risk (Details) - Customer concentration - Net Sales	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
TCCC
Concentration of risk
Percentage of net sales	2.00%	2.00%	3.00%
Coca-Cola Consolidated, Inc
Concentration of risk
Percentage of net sales	12.00%	13.00%	13.00%
Reyes Coca-Cola Bottling
Concentration of risk
Percentage of net sales	11.00%	11.00%	12.00%
Coca-Cola European Partners
Concentration of risk
Percentage of net sales	10.00%	10.00%	10.00%

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