Net Loss Per Share - Computation of Basic Net Loss Per Share and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2018	Apr. 02, 2017
Numerator for basic and diluted net loss per Common Stock and Class B Common Stock share:
Net loss attributable to Coca-Cola Bottling Co. Consolidated	$ (14,185)	$ (5,051)
Less dividends:
Dividends on Common Stock	1,785	1,785
Total undistributed losses – basic	(16,518)	(7,379)
Total undistributed losses – diluted	(16,518)	(7,379)
Numerator for basic net loss per Common Stock share:
Numerator for basic net loss per Common Stock share	(10,844)	(3,869)
Numerator for diluted net loss per Common Stock share:
Numerator for diluted net loss per Common Stock share	$ (14,185)	$ (5,051)
Denominator for basic net loss per Common share:
Weighted average number of Common Stock shares outstanding	7,141	7,141
Denominator for diluted net loss per Common share:
Weighted average number of Common Stock shares outstanding – assuming dilution	9,340	9,319
Basic net loss per share:
Common Stock	$ (1.52)	$ (0.54)
Diluted net loss per share:
Common Stock	$ (1.52)	$ (0.54)
Common Stock [Member]
Less dividends:
Total undistributed losses – basic	$ (12,629)	$ (5,654)
Total undistributed losses – diluted	(12,629)	(5,654)
Class B Common Stock [Member]
Less dividends:
Dividends on Common Stock	548	543
Total undistributed losses – basic	(3,889)	(1,725)
Total undistributed losses – diluted	(3,889)	(1,725)
Numerator for basic net loss per Common Stock share:
Numerator for basic net loss per Common Stock share	(3,341)	(1,182)
Numerator for diluted net loss per Common Stock share:
Numerator for diluted net loss per Common Stock share	$ (3,341)	$ (1,182)
Denominator for basic net loss per Common share:
Weighted average number of Common Stock shares outstanding	2,199	2,178
Denominator for diluted net loss per Common share:
Weighted average number of Common Stock shares outstanding – assuming dilution	2,199	2,178
Basic net loss per share:
Common Stock	$ (1.52)	$ (0.54)
Diluted net loss per share:
Common Stock	$ (1.52)	$ (0.54)