Piedmont Coca-Cola Bottling Partnership - Additional Information (Detail) - USD ($)	12 Months Ended
Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Minority Interest [Line Items]
Subsidiary's intercompany interest rate over the Company's average rate	0.50%
Amounts outstanding under financing agreement with subsidiary	$ 0	$ 0
Noncontrolling interest income	6,517,000	6,042,000	$ 4,728,000
Noncontrolling interest	$ 85,893,000	$ 79,376,000
Piedmont [Member]
Minority Interest [Line Items]
Minority interest	22.70%	22.70%	22.70%

Outstanding balance on subsidiary intercompany borrowings.

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- Definition

Subsidiary intercompany interest rate over the company's average cost of funds.

+ References

No definition available.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(22))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(24))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.31)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4J
-URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591551-111686

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 1A
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-URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684

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