Net Income Per Share - Computation of Basic Net Income Per Share and Diluted Net Income Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Numerator for basic and diluted net income per Common Stock and Class B Common Stock share:
Net income attributable to Coca‑Cola Consolidated, Inc.	$ 51,884	$ 13,006	$ 106,115	$ 21,545
Less dividends:
Total undistributed earnings – basic	49,540	10,662	99,085	14,519
Total undistributed earnings – diluted	49,540	10,662	99,085	14,519
Common Stock
Less dividends:
Common Stock	1,785	1,786	5,356	5,356
Total undistributed earnings – basic	37,743	8,123	75,490	11,066
Total undistributed earnings – diluted	37,515	8,089	75,034	11,019
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share	39,528	9,909	80,846	16,422
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share	$ 51,884	$ 13,006	$ 106,115	$ 21,545
Denominator for basic net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - basic (in shares)	7,141	7,141	7,141	7,141
Denominator for diluted net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - diluted (in shares)	9,430	9,413	9,430	9,409
Basic net income per share:
Common Stock (in dollars per share)	$ 5.53	$ 1.39	$ 11.32	$ 2.30
Diluted net income per share:
Common Stock (in dollars per share)	$ 5.51	$ 1.38	$ 11.25	$ 2.29
Class B Common Stock
Less dividends:
Common Stock	$ 559	$ 558	$ 1,674	$ 1,670
Total undistributed earnings – basic	11,797	2,539	23,595	3,453
Total undistributed earnings – diluted	12,025	2,573	24,051	3,500
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share	12,356	3,097	25,269	5,123
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share	$ 12,584	$ 3,131	$ 25,725	$ 5,170
Denominator for basic net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - basic (in shares)	2,232	2,232	2,232	2,228
Denominator for diluted net income per Common Stock and Class B Common Stock share:
Common Stock weighted average shares outstanding - diluted (in shares)	2,289	2,272	2,289	2,268
Basic net income per share:
Common Stock (in dollars per share)	$ 5.53	$ 1.39	$ 11.32	$ 2.30
Diluted net income per share:
Common Stock (in dollars per share)	$ 5.51	$ 1.38	$ 11.24	$ 2.28