INVENTORIES (Details) - USD ($) $ in Thousands	Mar. 26, 2017	Dec. 25, 2016
Inventory [Line Items]
Total inventories	$ 924,169	$ 813,262
Live chicken and hens
Inventory [Line Items]
Total inventories	388,663	362,054
Feed, eggs and other
Inventory [Line Items]
Total inventories	315,265	250,680
Finished chicken products
Inventory [Line Items]
Total inventories	215,138	182,918
Total chicken inventories
Inventory [Line Items]
Total inventories	919,066	795,652
Commercial feed and other
Inventory [Line Items]
Total inventories	$ 5,103	$ 17,610