LONG-TERM DEBT AND OTHER BORROWING ARRANGEMENTS (Narrative) (Details)									1 Months Ended	6 Months Ended
	Jun. 02, 2018 USD ($)	May 29, 2018 GBP (£)	Mar. 07, 2018 USD ($)	Sep. 29, 2017 USD ($)	May 08, 2017 USD ($)	Sep. 27, 2016 MXN ($)	Feb. 11, 2015 USD ($)	Jun. 30, 2009 EUR (€)	Sep. 30, 2016 EUR (€)	Jul. 01, 2018 USD ($)	Jul. 01, 2018 EUR (€)	Jun. 02, 2018 GBP (£)	Mar. 07, 2018 GBP (£)	Dec. 31, 2017 USD ($)	Jan. 29, 2016 GBP (£)	Apr. 17, 2015 GBP (£)	Mar. 19, 2015 GBP (£)	Mar. 11, 2015 USD ($)
Debt Instrument [Line Items]
Long-term debt										$ 2,652,583,000				$ 2,709,350,000
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
Stated interest rate										5.75%	5.75%							5.75%
Add on offering, percent of face value			99.25%	102.00%									99.25%
Proceeds from issuance of debt			$ 248,100,000	$ 255,000,000
Unamortized premium				5,000,000
Unamortized discount			1,900,000
Long-term debt										$ 1,002,698,000				754,820,000
Senior notes payable at 5.875% | Senior notes
Debt Instrument [Line Items]
Aggregate principal amount			$ 250,000,000	$ 600,000,000.0
Stated interest rate				5.875%						5.875%	5.875%
Add on offering, percent of face value			97.25%										97.25%
Proceeds from issuance of debt			$ 243,100,000
Unamortized discount			$ 6,900,000
Long-term debt										$ 843,359,000				600,000,000
Senior notes payable at 6.25% | Senior notes
Debt Instrument [Line Items]
Aggregate principal amount | £																£ 300,000,000
Stated interest rate										6.25%	6.25%					6.25%
Tendered amount | £													£ 234,300,000
Redemption price, percentage		101.56%
Long-term debt		£ 65,700,000								$ 0				403,444,000
Revolving note payable at 5.25% | Line of credit
Debt Instrument [Line Items]
Stated interest rate										5.25%	5.25%
Long-term debt										$ 0				73,262,000
Revolving note payable at 5.25% | Rabobank | Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 750,000,000.0
Outstanding borrowings										$ 0
Term note payable at 3.60% | Line of credit
Debt Instrument [Line Items]
Stated interest rate										3.60%	3.60%
Long-term debt										$ 760,000,000				780,000,000
Term note payable at 3.60% | Rabobank | Line of credit
Debt Instrument [Line Items]
Long-term debt										760,000,000
Maximum borrowing capacity					$ 800,000,000.0
2015 US Credit Facility | Rabobank | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate					1.50%
2015 US Credit Facility | Rabobank | London Interbank Offered Rate (LIBOR) | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate					1.25%
2015 US Credit Facility | Rabobank | London Interbank Offered Rate (LIBOR) | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate					2.75%
2015 US Credit Facility | Rabobank | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate					0.50%
2015 US Credit Facility | Rabobank | Base Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate					0.25%
2015 US Credit Facility | Rabobank | Base Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate					1.75%
2015 US Credit Facility | Rabobank | Line of credit
Debt Instrument [Line Items]
Available increase to aggregate revolving loan commitment					$ 1,000,000,000.0
Quarterly principal payment required, percent of original principal amount					1.25%
Current borrowing capacity										705,100,000
Letters of credit outstanding										44,900,000
Credit facility, capital expenditures limit							$ 500,000,000.0
2015 US Credit Facility | Rabobank | Line of credit | U.S. and Puerto Rico Subsidiaries
Debt Instrument [Line Items]
Percentage of equity interest guaranteed for debt							100.00%
2015 US Credit Facility | Rabobank | Line of credit | Foreign Subsidiaries
Debt Instrument [Line Items]
Percentage of equity interest guaranteed for debt							65.00%
2015 US Credit Facility | Rabobank | Swingline Loans
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 75,000,000.0
2015 US Credit Facility | Rabobank | Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 125,000,000.0
Mexico Credit Facility (defined below) with notes payable at TIIE Rate plus 0.95% | Line of credit
Debt Instrument [Line Items]
Long-term debt										0				76,307,000
Maximum borrowing capacity						$ 1,500,000,000.0				75,400,000
Current borrowing capacity										75,400,000
Outstanding borrowings										$ 0
Interest rate on short-term credit facility amounts outstanding										8.81%	8.81%
Mexico Credit Facility (defined below) with notes payable at TIIE Rate plus 0.95% | Line of credit | TIIE Rate
Debt Instrument [Line Items]
Basis spread on variable rate						0.95%				0.95%
Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | Line of credit
Debt Instrument [Line Items]
Long-term debt										$ 39,624,000				0
Moy Park Bank of Ireland Revolving Facility with notes payable at LIBOR or EURIBOR plus 1.25% to 2.00% | Line of credit | 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% | Line of credit | 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 | Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 132,100,000											£ 100,000,000
Current borrowing capacity	92,500,000
Outstanding borrowings	$ 39,600,000
Moy Park Multicurrency Revolving Facility with notes payable at LIBOR rate plus 2.5% | Line of credit
Debt Instrument [Line Items]
Long-term debt										$ 0				9,590,000
Maximum borrowing capacity | £																	£ 20,000,000.0
Moy Park Multicurrency Revolving Facility with notes payable at LIBOR rate plus 2.5% | Line of credit | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate										2.50%
Moy Park Receivables Finance Agreement | Line of credit | Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity | £															£ 45,000,000.0
Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8% | Line of credit
Debt Instrument [Line Items]
Long-term debt										$ 0				$ 1,815,000
Maximum borrowing capacity										11,700,000
Current borrowing capacity										11,700,000
Outstanding borrowings										$ 0
Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8% | Line of credit | 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% | Receivables Finance Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity | €								€ 20,000,000.0			€ 10,000,000.0
Line of credit facility limit decrease | €									€ 10,000,000
Moy Park France Invoice Discounting Revolver with payables at EURIBOR plus 0.8% | Receivables Finance Agreement | EURIBOR Rate
Debt Instrument [Line Items]
Basis spread on variable rate								0.80%