INVENTORIES (Details) - USD ($) $ in Thousands	Sep. 24, 2017	Dec. 25, 2016
Inventory [Line Items]
Total inventories	$ 1,196,201	$ 975,608
Live chicken and hens
Inventory [Line Items]
Total inventories	471,394	407,475
Feed, eggs and other
Inventory [Line Items]
Total inventories	263,576	257,049
Finished chicken products
Inventory [Line Items]
Total inventories	399,085	243,824
Total chicken inventories
Inventory [Line Items]
Total inventories	1,134,055	908,348
Commercial feed and other
Inventory [Line Items]
Total inventories	$ 62,146	$ 67,260