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Goodwill and Other Intangibles - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Oct. 05, 2013	Dec. 29, 2012
Goodwill and Intangible Assets Disclosure [Line Items]
Additional indefinite lived intangible assets separately identified from goodwill	$ 459.0	$ 186.5
Indefinite lived intangible assets acquired	$ 25.8

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- Details

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Namespace Prefix:	flo_
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- Definition

Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, resulting from a business combination.

+ References

No definition available.

+ Details

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X

- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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