BUSINESS ACQUISITION (Pro Forma Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 28, 2015	Jun. 26, 2016
Business Combinations [Abstract]
Net sales	$ 2,212,223	$ 4,420,442
Net income attributable to Pilgrim's Pride Corporation	$ 250,023	$ 461,533
Net income attributable to Pilgrim's Pride Corporation per common share - diluted (in usd per share)	$ 0.97	$ 1.78

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.

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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