BUSINESS ACQUISITION (Pro Forma Information) (Details) - Tyson Mexico [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 27, 2015	Sep. 27, 2015
Business Acquisition [Line Items]
Net sales	$ 2,112,529	$ 6,532,971
Net income attributable to Pilgrim's Pride Corporation	$ 133,038	$ 594,571
Net income attributable to Pilgrim's Pride Corporation per common share - diluted (in usd per share)	$ 0.51	$ 2.29

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.

No definition available.

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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