LONG-TERM DEBT AND OTHER BORROWING ARRANGEMENTS - Schedule of Long-term Debt and Other Borrowing Arrangements (Details) - USD ($) $ in Thousands			6 Months Ended
	Dec. 14, 2018	Jun. 02, 2018	Jun. 30, 2019	Dec. 30, 2018	Sep. 29, 2017	Mar. 11, 2015
Debt Instrument [Line Items]
Finance lease obligations			$ 131
Finance lease obligations				$ 3,707
Long-term debt			2,339,331	2,352,605
Less: Current maturities of long-term debt			(30,282)	(30,405)
Long-term debt, less current maturities			2,309,049	2,322,200
Less: Capitalized financing costs			(25,202)	(27,010)
Long-term debt, less current maturities, net of capitalized financing costs:			$ 2,283,847	2,295,190
Credit facility | Revolving note payable at 5.25%
Debt Instrument [Line Items]
Stated interest rate			5.25%
Long-term debt			$ 0	0
Credit facility | Term note payable at 3.69%
Debt Instrument [Line Items]
Stated interest rate			3.69%
Long-term debt			$ 487,500	500,000
Credit facility | Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8%
Debt Instrument [Line Items]
Long-term debt			$ 3,387	2,277
Credit facility | Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8% | EURIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.80%
Credit facility | Moy Park Credit Agricole Bank Overdraft with notes payable at EURIBOR plus 1.50%
Debt Instrument [Line Items]
Long-term debt			$ 0	88
Credit facility | Moy Park Credit Agricole Bank Overdraft with notes payable at EURIBOR plus 1.50% | EURIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate			1.50%
Credit facility | Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00%
Debt Instrument [Line Items]
Long-term debt			$ 0	0
Credit facility | Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | EURIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate		2.00%	2.00%
Credit facility | Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate		1.25%	1.25%
Credit facility | Mexico Credit Facility (defined below) with notes payable at TIIE Rate plus 1.50%
Debt Instrument [Line Items]
Long-term debt			$ 0	0
Credit facility | Mexico Credit Facility (defined below) with notes payable at TIIE Rate plus 1.50% | TIIE Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%		1.50%
Senior notes | Senior notes payable, net of premium and discount at 5.75%
Debt Instrument [Line Items]
Stated interest rate			5.75%			5.75%
Long-term debt			$ 1,002,296	1,002,497
Senior notes | Senior notes payable, net of discount at 5.875%
Debt Instrument [Line Items]
Stated interest rate			5.875%		5.875%
Long-term debt			$ 844,075	843,717
Secured loans with payables at weighted average of 3.69%
Debt Instrument [Line Items]
Weighted average interest rate			3.69%
Long-term debt			$ 1,942	$ 319