EMPLOYEE BENEFIT PLANS - Fair Value of Company's Pension Plan Assets by Asset Category (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 357,181	$ 305,709	$ 304,325
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,410	7,317
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	91,998	72,237
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	129,965	21,247
Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	74,956	146,266
Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	56,852	58,642
Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	57,165	183,701
Level 1 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,388	7,317
Level 1 | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	7,621	72,237
Level 1 | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	40,281	17,147
Level 1 | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6,324	86,282
Level 1 | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	551	718
Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	298,502	120,367
Level 2 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,022	0
Level 2 | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	84,377	0
Level 2 | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	89,684	4,100
Level 2 | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	68,632	59,984
Level 2 | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	54,787	56,283
Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,514	1,641
Level 3 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 | Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 1,514	$ 1,641