PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Plan Asset Allocations (Details)	Mar. 27, 2022	Dec. 26, 2021
Defined Benefit Plan Disclosure [Line Items]
Total assets	100.00%	100.00%
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total assets	11.00%	2.00%
Equity securities | Union Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	2.00%	2.00%
Equity securities | GK Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	19.00%	19.00%
Equity securities | Tulip Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	20.00%	32.00%
Equity securities | GEO Adams Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	3.00%	5.00%
Fixed income securities | Union Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	2.00%	2.00%
Fixed income securities | GK Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	13.00%	12.00%
Fixed income securities | Tulip Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	0.00%	17.00%
Fixed income securities | GEO Adams Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	1.00%	2.00%
Liability driven investments | Tulip Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	19.00%	0.00%
Liability driven investments | GEO Adams Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	2.00%	0.00%
Real estate | GK Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	2.00%	1.00%
Real estate | Tulip Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets	6.00%	6.00%