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		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
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	$ 26,934	$ 13,783	$ 29,158	$ 16,232
Less dividends:
Dividends on Common Stock	1,786	1,786	3,571	3,571
Undistributed earnings allocated to Common Stock, Basic	24,610	11,464	24,517	11,601
Undistributed earnings allocated to Common Stock, Basic	24,610	11,464	24,517	11,601
Total undistributed earnings - diluted	24,610	11,464	24,517	11,601
Numerator for basic net income per Common Stock share:
Dividends on Common Stock	1,786	1,786	3,571	3,571
Undistributed earnings allocated to Common Stock, Basic	24,610	11,464	24,517	11,601
Numerator for basic net income per Common Stock share	20,699	10,616	22,429	12,513
Numerator for diluted net income per Common Stock share:
Dividends on Common Stock	1,786	1,786	3,571	3,571
Total undistributed earnings - diluted	24,610	11,464	24,517	11,601
Numerator for diluted net income per Common Stock share	$ 26,934	$ 13,783	$ 29,158	$ 16,232
Denominator for basic net income per common share:
Weighted average number of Common Stock shares outstanding	7,141	7,141	7,141	7,141
Denominator for diluted net income per common share:
Weighted average number of Common Stock shares outstanding – assuming dilution	9,332	9,311	9,324	9,304
Basic net income per share:
Common Stock	$ 2.90	$ 1.49	$ 3.14	$ 1.75
Diluted net income per share:
Common Stock	$ 2.89	$ 1.48	$ 3.13	$ 1.74
Class B Common Stock [Member]
Less dividends:
Dividends on Common Stock	$ 538	$ 533	$ 1,070	$ 1,060
Undistributed earnings allocated to Common Stock, Basic	5,697	2,634	5,659	2,659
Undistributed earnings allocated to Common Stock, Basic	5,697	2,634	5,659	2,659
Total undistributed earnings - diluted	5,778	2,672	5,740	2,697
Numerator for basic net income per Common Stock share:
Dividends on Common Stock	538	533	1,070	1,060
Undistributed earnings allocated to Common Stock, Basic	5,697	2,634	5,659	2,659
Numerator for basic net income per Common Stock share	6,235	3,167	6,729	3,719
Numerator for diluted net income per Common Stock share:
Dividends on Common Stock	538	533	1,070	1,060
Total undistributed earnings - diluted	5,778	2,672	5,740	2,697
Numerator for diluted net income per Common Stock share	$ 6,316	$ 3,205	$ 6,810	$ 3,757
Denominator for basic net income per common share:
Weighted average number of Common Stock shares outstanding	2,151	2,130	2,143	2,123
Denominator for diluted net income per common share:
Weighted average number of Common Stock shares outstanding – assuming dilution	2,191	2,170	2,183	2,163
Basic net income per share:
Common Stock	$ 2.90	$ 1.49	$ 3.14	$ 1.75
Diluted net income per share:
Common Stock	$ 2.88	$ 1.48	$ 3.12	$ 1.74
Common Stock [Member]
Less dividends:
Undistributed earnings allocated to Common Stock, Basic	$ 18,913	$ 8,830	$ 18,858	$ 8,942
Undistributed earnings allocated to Common Stock, Basic	18,913	8,830	18,858	8,942
Total undistributed earnings - diluted	18,832	8,792	18,777	8,904
Numerator for basic net income per Common Stock share:
Undistributed earnings allocated to Common Stock, Basic	18,913	8,830	18,858	8,942
Numerator for diluted net income per Common Stock share:
Total undistributed earnings - diluted	$ 18,832	$ 8,792	$ 18,777	$ 8,904