INVENTORIES (Details) - USD ($) $ in Thousands	Jun. 25, 2017	Dec. 25, 2016
Inventory [Line Items]
Total inventories	$ 967,577	$ 813,262
Live chicken and hens
Inventory [Line Items]
Total inventories	411,445	362,054
Feed, eggs and other
Inventory [Line Items]
Total inventories	274,785	250,680
Finished chicken products
Inventory [Line Items]
Total inventories	276,749	182,918
Total chicken inventories
Inventory [Line Items]
Total inventories	962,979	795,652
Commercial feed and other
Inventory [Line Items]
Total inventories	$ 4,598	$ 17,610