INCOME TAXES (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Operating Loss Carryforwards [Line Items]
Effective tax rate	25.70%	26.90%	33.70%
Income tax expense related to Tax Act	$ 18,200,000
Tax liability recorded for one-time transition tax related to Tax Act	$ 26,400,000
One-time transition tax increase in effective tax rate related to Tax Act	7.90%	0.00%	0.00%
Tax liability for one-time transition tax related to Tax Act	$ 7,700,000
Provisional tax benefit from net change in deferred tax liabilities related to Tax Act		$ 41,500,000
Provisional tax benefit from change in tax rate related to Tax Act	$ 8,200,000
Rate change reduction in effective tax rate related to Tax Act	(2.50%)	(5.30%)	0.00%
GILTI tax liability recorded related to Tax Act	$ 5.4
GILTI increase in effective tax rate related to Tax Act	1.60%
Income tax benefit from FDII deduction	$ 100,000
Increase in valuation allowance	11,700,000
Valuation allowance	26,150,000	$ 14,479,000
Other comprehensive income, tax (benefit) expense	(1,600,000)	4,000,000
Tax effect from excess tax benefits	(800,000)	1,100,000
Unrecognized tax benefits	12,412,000	11,866,000	$ 16,813,000
Amount of tax benefits that, if recognized, would reduce effective tax rate	1,400,000
Liability for interest and penalties	1,500,000
Decrease in accrued interest and penalty amounts related to uncertain tax positions	5,600,000
Capital contribution under tax sharing agreement	5,558,000	$ 5,038,000	$ 3,690,000
JBS USA Food Company Holding | Tax sharing agreement
Operating Loss Carryforwards [Line Items]
Capital contribution under tax sharing agreement	500,000
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Valuation allowance	13,900,000
Net operating loss carry forwards	$ 17,200,000
Net operating loss carry forwards, expiration date	Jan. 01, 2019
U.S.
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ 11,800,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Valuation allowance	500,000
Net operating loss carry forwards	$ 87,500,000
Net operating loss carry forwards, expiration date	Jan. 01, 2019
Tax credit carry forwards	$ 2,600,000
Tax credit carry forwards, expiration date	Jan. 01, 2019
Mexico
Operating Loss Carryforwards [Line Items]
Undistributed earnings of foreign subsidiaries	$ 683,000,000
Puerto Rico
Operating Loss Carryforwards [Line Items]
Undistributed earnings of foreign subsidiaries	13,200,000
United Kingdom
Operating Loss Carryforwards [Line Items]
Undistributed earnings of foreign subsidiaries	$ 2,200,000