Net Income Per Share - Computation of Basic Net Income Per Share and Diluted Net Income Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Numerator for basic and diluted net income per Common Stock and Class B Common Stock share:
Net income attributable to Coca-Cola Bottling Co. Consolidated	$ 2,990	$ 12,132	$ 13,783	$ 2,449	$ (4,585)	$ 16,169	$ 11,229	$ 4,862	$ 31,354	$ 27,675	$ 27,217
Less dividends:
Dividends on Common Stock									7,141	7,141	7,141
Undistributed earnings allocated to Common Stock, Basic									22,088	18,430	17,993
Undistributed earnings allocated to Common Stock, Basic									22,088	18,430	17,993
Total undistributed earnings - diluted									22,088	18,430	17,993
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share									24,162	21,375	21,068
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share									31,354	27,675	27,217
Denominator for basic net income per common share:
Weighted average number of Common Stock shares outstanding									7,141	7,141	7,141
Denominator for diluted net income per common share:
Weighted average number of Common Stock shares outstanding - assuming dilution									9,307	9,286	9,266
Basic net income per share:
Common Stock	$ 0.32	$ 1.31	$ 1.49	$ 0.26	$ (0.50)	$ 1.75	$ 1.21	$ 0.53	$ 3.38	$ 2.99	$ 2.95
Diluted net income per share:
Common Stock	$ 0.32	$ 1.30	$ 1.48	$ 0.26	$ (0.50)	$ 1.74	$ 1.21	$ 0.52	$ 3.37	$ 2.98	$ 2.94
Class B Common Stock [Member]
Less dividends:
Dividends on Common Stock									2,125	2,104	2,083
Undistributed earnings allocated to Common Stock, Basic									5,067	4,196	4,066
Undistributed earnings allocated to Common Stock, Basic									5,067	4,196	4,066
Total undistributed earnings - diluted									5,140	4,257	4,126
Numerator for basic net income per Common Stock share:
Numerator for basic net income per Common Stock share									7,192	6,300	6,149
Numerator for diluted net income per Common Stock share:
Numerator for diluted net income per Common Stock share									7,265	6,361	6,209
Denominator for basic net income per common share:
Weighted average number of Common Stock shares outstanding									2,126	2,105	2,085
Denominator for diluted net income per common share:
Weighted average number of Common Stock shares outstanding - assuming dilution									2,166	2,145	2,125
Basic net income per share:
Common Stock	$ 0.32	$ 1.31	$ 1.49	$ 0.26	$ (0.50)	$ 1.75	$ 1.21	$ 0.53	$ 3.38	$ 2.99	$ 2.95
Diluted net income per share:
Common Stock	$ 0.32	$ 1.30	$ 1.48	$ 0.26	$ (0.50)	$ 1.74	$ 1.21	$ 0.52	$ 3.35	$ 2.97	$ 2.92
Common Stock [Member]
Less dividends:
Undistributed earnings allocated to Common Stock, Basic									17,021	14,234	13,927
Undistributed earnings allocated to Common Stock, Basic									17,021	14,234	13,927
Total undistributed earnings - diluted									$ 16,948	$ 14,173	$ 13,867