BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Pension Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021
Net periodic (benefit) expense:
Interest cost	$ 3,157	$ 2,530	$ 6,522	$ 5,027
Expected return on plan assets	(5,818)	(7,097)	(12,020)	(14,102)
Amortization of actuarial loss	124	843	256	1,675
Net periodic benefit	$ (2,537)	$ (3,724)	$ (5,242)	$ (7,400)