BUSINESS ACQUISITION (Pro Forma Information) (Details) - Moy Park - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jul. 01, 2018	Jun. 25, 2017
Business Acquisition [Line Items]
Net sales	$ 5,583,391	$ 5,231,626
Net income attributable to Pilgrim's Pride Corporation	$ 226,185	$ 314,946
Net income attributable to Pilgrim's Pride Corporation per common share - diluted (in dollars per share)	$ 0.91	$ 1.27