BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Pension Benefits (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Net periodic (benefit) expense:
Interest cost	$ 3,365	$ 2,497
Expected return on plan assets	(6,202)	(7,005)
Amortization of actuarial loss	132	832
Net periodic (benefit) expense	$ (2,705)	$ (3,676)