BUSINESS ACQUISITIONS (Fair Values of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	Dec. 25, 2016	Dec. 27, 2015	Jun. 29, 2015
Business Acquisition [Line Items]
Goodwill	$ 125,607	$ 156,565
Tyson Mexico [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			$ 5,535
Trade accounts and other receivables			24,173
Inventories			68,130
Prepaid expenses and other current assets			7,661
Property, plant and equipment			209,139
Identifiable intangible assets			26,411
Other long-lived assets			199
Total assets acquired			341,248
Accounts payable			21,550
Other current liabilities			8,707
Long-term deferred tax liabilities			52,376
Other long-term liabilities			5,155
Total liabilities assumed			87,788
Total identifiable net assets			253,460
Goodwill	$ 125,607	$ 156,565	125,607
Total net assets			$ 379,067