PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Defined Benefit Plan Obligations and Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021	Dec. 26, 2021	Dec. 27, 2020
Pension Benefits
Change in projected benefit obligation:
Projected, benefit obligation, beginning of period			$ 373,062	$ 404,194
Interest cost	$ 1,716	$ 987	3,224	2,437
Actuarial gain			(62,285)	(28,552)
Benefits paid			(6,344)	(5,978)
Curtailments and settlements			(3,762)	(2,689)
Currency translation (gain) loss			(11,305)	10,196
Projected benefit obligation, end of period	292,590	379,608	292,590	379,608
Change in plan assets:
Fair value of plan assets, beginning balance			326,409	305,983
Actual return on plan assets			(42,499)	14,564
Contributions by employer			5,494	6,832
Benefits paid			(6,344)	(5,978)
Curtailments and settlements			(3,762)	(2,689)
Expenses paid from assets			(188)	(169)
Currency translation (gain) loss			(10,747)	8,764
Fair value of plan assets, end of period	268,363	327,307	268,363	327,307
Funded status:
Unfunded benefit obligation, end of period	(24,227)		(24,227)		$ (46,653)
Amounts recognized in the Condensed Consolidated Balance Sheets at end of period:
Current liability	(2,996)		(2,996)		(6,063)
Long-term liability	(21,231)		(21,231)		(40,590)
Recognized liability	(24,227)		(24,227)		(46,653)
Amounts recognized in accumulated other comprehensive loss at end of period:
Net actuarial loss	41,420	55,846	41,420	55,846	58,143	$ 95,522
Other Benefits
Change in projected benefit obligation:
Projected, benefit obligation, beginning of period			1,346	1,593
Interest cost	6	3	10	8
Actuarial gain			(116)	(35)
Benefits paid			(66)	(70)
Curtailments and settlements			0	0
Currency translation (gain) loss			0	0
Projected benefit obligation, end of period	1,174	1,496	1,174	1,496
Change in plan assets:
Fair value of plan assets, beginning balance			0	0
Actual return on plan assets			0	0
Contributions by employer			66	70
Benefits paid			(66)	(70)
Curtailments and settlements			0	0
Expenses paid from assets			0	0
Currency translation (gain) loss			0	0
Fair value of plan assets, end of period	0	0	0	0
Funded status:
Unfunded benefit obligation, end of period	(1,174)		(1,174)		(1,346)
Amounts recognized in the Condensed Consolidated Balance Sheets at end of period:
Current liability	(167)		(167)		(157)
Long-term liability	(1,007)		(1,007)		(1,189)
Recognized liability	(1,174)		(1,174)		(1,346)
Amounts recognized in accumulated other comprehensive loss at end of period:
Net actuarial loss	$ 3	$ 138	$ 3	$ 138	$ 118	$ 174