INVENTORIES (Details) - USD ($) $ in Thousands	Jun. 26, 2016	Dec. 27, 2015
Inventory [Line Items]
Total inventories	$ 832,565	$ 801,357
Live Chicken and Hens [Member]
Inventory [Line Items]
Total inventories	390,535	365,062
Feed, Eggs and Other [Member]
Inventory [Line Items]
Total inventories	232,103	215,859
Finished Chicken Products [Member]
Inventory [Line Items]
Total inventories	195,541	191,988
Chicken Inventories [Member]
Inventory [Line Items]
Total inventories	818,179	772,909
Commercial Feed and Other [Member]
Inventory [Line Items]
Total inventories	$ 14,386	$ 28,448