LONG-TERM DEBT AND OTHER BORROWING ARRANGEMENTS - Schedule of Long-term Debt and Other Borrowing Arrangements (Details) $ in Thousands					12 Months Ended
	Dec. 14, 2018	Dec. 03, 2018	Jun. 02, 2018	Jun. 30, 2009	Dec. 30, 2018 USD ($)	Dec. 30, 2018 GBP (£)	May 29, 2018 GBP (£)	Dec. 31, 2017 USD ($)	Sep. 29, 2017	Apr. 17, 2015	Mar. 11, 2015
Debt Instrument [Line Items]
Long-term debt					$ 2,352,605			$ 2,709,350
Less: Current maturities of long-term debt					(30,405)			(47,775)
Long-term debt, less current maturities					2,322,200			2,661,575
Less: Capitalized financing costs					(27,010)			(25,958)
Long-term debt, less current maturities, net of capitalized financing costs:					2,295,190			2,635,617
Credit facility | Term note payable at 3.65%
Debt Instrument [Line Items]
Long-term debt					500,000			780,000
Credit facility | Revolving note payable at 5.25%
Debt Instrument [Line Items]
Long-term debt					0			73,262
Credit facility | 2016 Mexico Credit Facility (defined below) with notes payable at TIIE plus 0.95%
Debt Instrument [Line Items]
Long-term debt					0			76,307
Credit facility | 2016 Mexico Credit Facility (defined below) with notes payable at TIIE plus 0.95% | TIIE Rate
Debt Instrument [Line Items]
Basis spread on variable interest rate	1.50%
Credit facility | Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8%
Debt Instrument [Line Items]
Long-term debt					2,277			1,815
Credit facility | Moy Park Credit Agricole Bank Overdraft with notes payable at EURIBOR plus 1.50%
Debt Instrument [Line Items]
Long-term debt					88			0
Credit facility | Moy Park Multicurrency Revolving Facility with notes payable at LIBOR rate plus 2.5%
Debt Instrument [Line Items]
Long-term debt					0			9,590
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 interest rate			2.00%
Credit facility | Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | LIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable interest rate			1.25%
Senior notes | Senior notes payable, net of premium and discount at 5.75%
Debt Instrument [Line Items]
Stated interest rate					5.75%	5.75%					5.75%
Long-term debt					$ 1,002,497			754,820
Senior notes | Senior notes payable, net of discount at 5.875%
Debt Instrument [Line Items]
Stated interest rate					5.875%	5.875%			5.875%
Long-term debt					$ 843,717			600,000
Senior notes | Senior notes payable at 6.25%
Debt Instrument [Line Items]
Stated interest rate					6.25%	6.25%				6.25%
Long-term debt					$ 0	£ 0	£ 65,700,000	403,444
Credit facility | Credit facility | Term note payable at 3.65%
Debt Instrument [Line Items]
Stated interest rate					3.65%	3.65%
Credit facility | Credit facility | Revolving note payable at 5.25%
Debt Instrument [Line Items]
Stated interest rate					5.25%	5.25%
Credit facility | Credit facility | 2016 Mexico Credit Facility (defined below) with notes payable at TIIE plus 0.95% | TIIE Rate
Debt Instrument [Line Items]
Basis spread on variable interest rate					0.95%
Credit facility | 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 interest rate				0.80%	0.80%
Credit facility | Credit facility | Moy Park Credit Agricole Bank Overdraft with notes payable at EURIBOR plus 1.50%
Debt Instrument [Line Items]
Long-term debt					$ 100
Credit facility | 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 interest rate		1.50%			1.50%
Credit facility | Credit facility | Moy Park Multicurrency Revolving Facility with notes payable at LIBOR rate plus 2.5% | LIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable interest rate					2.50%
Credit facility | Credit facility | Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | LIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable interest rate					1.25%
Secured Loans
Debt Instrument [Line Items]
Weighted average interest rate					3.73%	3.73%
Long-term debt					$ 319			873
Capital lease obligations
Debt Instrument [Line Items]
Long-term debt					$ 3,707			$ 9,239