LONG-TERM DEBT AND OTHER BORROWING ARRANGEMENTS - Narrative (Details)							1 Months Ended		6 Months Ended
	Dec. 14, 2018 USD ($)	Dec. 03, 2018 EUR (€)	Jul. 20, 2018 USD ($)	Jun. 02, 2018	Mar. 07, 2018 USD ($)	Sep. 29, 2017 USD ($)	Jun. 30, 2018	Jun. 30, 2009 EUR (€)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 GBP (£)	Dec. 30, 2018 USD ($)	Mar. 11, 2015 USD ($)
Senior notes payable, net of premium and discount at 5.75% | Senior notes
Debt Instrument [Line Items]
Aggregate principal amount					$ 250,000,000.0	$ 250,000,000.0						$ 500,000,000.0
Stated interest rate									5.75%	5.75%		5.75%
Add on offering, percent of face value					99.25%	102.00%
Proceeds from issuance of debt					$ 248,100,000	$ 255,000,000.0
Unamortized premium						5,000,000.0
Unamortized discount					1,900,000
Long-term debt									$ 1,002,296,000		$ 1,002,497,000
Senior notes payable, net of discount at 5.875% | Senior notes
Debt Instrument [Line Items]
Aggregate principal amount					$ 250,000,000.0	$ 600,000,000.0
Stated interest rate						5.875%			5.875%	5.875%
Add on offering, percent of face value					97.25%
Proceeds from issuance of debt					$ 243,100,000
Unamortized discount					$ 6,900,000
Long-term debt									$ 844,075,000		843,717,000
Revolving note payable at 5.25% | Credit facility
Debt Instrument [Line Items]
Stated interest rate									5.25%	5.25%
Long-term debt									$ 0		0
Revolving note payable at 5.25% | CoBank, ACB | Credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 750,000,000.0
Outstanding borrowings									$ 0
Term note payable at 3.69% | Credit facility
Debt Instrument [Line Items]
Stated interest rate									3.69%	3.69%
Long-term debt									$ 487,500,000		500,000,000
Term note payable at 3.69% | CoBank, ACB | Credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity			500,000,000.0
Long-term debt									487,500,000
US Credit Facility | CoBank, ACB | Credit facility
Debt Instrument [Line Items]
Available increase to aggregate revolving loan commitment			$ 1,250,000,000
Quarterly principal payment required, percent of original principal amount			1.25%
Current borrowing capacity									708,400,000
Letters of credit outstanding									41,600,000
Credit facility, capital expenditures limit			$ 500,000,000.0
US Credit Facility | CoBank, ACB | Credit facility | U.S. and Puerto Rico Subsidiaries
Debt Instrument [Line Items]
Percentage of equity interest guaranteed for debt			100.00%
US Credit Facility | CoBank, ACB | Credit facility | Foreign Subsidiaries
Debt Instrument [Line Items]
Percentage of equity interest guaranteed for debt			65.00%
US Credit Facility | Credit facility | CoBank, ACB | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate			1.25%
US Credit Facility | Credit facility | CoBank, ACB | London Interbank Offered Rate (LIBOR) | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate			1.25%
US Credit Facility | Credit facility | CoBank, ACB | London Interbank Offered Rate (LIBOR) | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate			2.75%
US Credit Facility | Credit facility | CoBank, ACB | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.25%
US Credit Facility | Credit facility | CoBank, ACB | Base Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate			0.25%
US Credit Facility | Credit facility | CoBank, ACB | Base Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate			1.75%
US Credit Facility | Credit facility | CoBank, ACB | Swingline Loans
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 75,000,000.0
US Credit Facility | Credit facility | CoBank, ACB | Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 125,000,000.0
Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | Credit facility
Debt Instrument [Line Items]
Long-term debt									$ 0		0
Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | Credit facility | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate				1.25%					1.25%
Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | Credit facility | EURIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate				2.00%					2.00%
Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | Governor and the Company of the Bank of Ireland | Credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity | £										£ 100,000,000.0
Current borrowing capacity									$ 127,000,000.0
Outstanding borrowings									0
Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8% | Credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity									11,400,000
Long-term debt									3,387,000		2,277,000
Current borrowing capacity									8,000,000.0
Outstanding borrowings									$ 3,400,000
Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8% | Credit facility | EURIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate									0.80%
Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8% | Credit facility | Credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity | €								€ 20,000,000.0
Line of credit facility increase decrease percent							0.50
Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8% | Credit facility | Credit facility | EURIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate								0.80%
Moy Park Credit Agricole Bank Overdraft with notes payable at EURIBOR plus 1.50% | Credit facility
Debt Instrument [Line Items]
Long-term debt									$ 0		88,000
Outstanding borrowings									$ 0
Moy Park Credit Agricole Bank Overdraft with notes payable at EURIBOR plus 1.50% | Credit facility | EURIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate									1.50%
Moy Park Credit Agricole Bank Overdraft with notes payable at EURIBOR plus 1.50% | Credit facility | Credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity | €		€ 500,000
Moy Park Credit Agricole Bank Overdraft with notes payable at EURIBOR plus 1.50% | Credit facility | Credit facility | EURIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate		1.50%
Mexico Credit Facility (defined below) with notes payable at TIIE Rate plus 1.50% | Credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 1,500,000,000								$ 78,000,000.0
Long-term debt									0		$ 0
Outstanding borrowings									$ 0
Mexico Credit Facility (defined below) with notes payable at TIIE Rate plus 1.50% | Credit facility | TIIE Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%								1.50%