PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Defined Benefit Plan Obligations and Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2023	Jun. 26, 2022	Jun. 25, 2023	Jun. 26, 2022	Dec. 25, 2022	Dec. 26, 2021
Amounts recognized in accumulated other comprehensive loss at end of period:
Net actuarial loss (gain)	$ (74)	$ 41,420	$ (74)	$ 41,420		$ 58,143
Pension Benefits
Change in projected benefit obligation:
Projected, benefit obligation, beginning of period			236,147	373,062
Interest cost	2,783	1,716	5,097	3,224
Actuarial gain			(11,029)	(62,285)
Benefits paid			(7,437)	(6,344)
Curtailments and settlements			0	(3,762)
Currency translation loss (gain)			3,018	(11,305)
Projected benefit obligation, end of period	225,796	292,590	225,796	292,590
Change in plan assets:
Fair value of plan assets, beginning balance			210,133	326,409
Actual return on plan assets			3,972	(42,499)
Contributions by employer			3,249	5,494
Benefits paid			(7,437)	(6,344)
Curtailments and settlements			0	(3,762)
Expenses paid from assets			(146)	(188)
Currency translation gain (loss)			2,700	(10,747)
Fair value of plan assets, end of period	212,471	268,363	212,471	268,363
Funded status:
Unfunded benefit obligation, end of period	(13,325)		(13,325)		$ (26,014)
Amounts recognized in the Condensed Consolidated Balance Sheets at end of period:
Current liability	(794)		(794)		(841)
Long-term liability	(12,531)		(12,531)		(25,173)
Recognized liability	(13,325)		(13,325)		(26,014)
Amounts recognized in accumulated other comprehensive loss at end of period:
Net actuarial loss (gain)	37,731	3	37,731	3	48,121	$ 118
Other Benefits
Change in projected benefit obligation:
Projected, benefit obligation, beginning of period			1,169	1,346
Interest cost	13	6	22	10
Actuarial gain			(8)	(116)
Benefits paid			(73)	(66)
Curtailments and settlements			0	0
Currency translation loss (gain)			0	0
Projected benefit obligation, end of period	1,110	1,174	1,110	1,174
Change in plan assets:
Fair value of plan assets, beginning balance			0	0
Actual return on plan assets			0	0
Contributions by employer			73	66
Benefits paid			(73)	(66)
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	(1,110)		(1,110)		(1,169)
Amounts recognized in the Condensed Consolidated Balance Sheets at end of period:
Current liability	(148)		(148)		(177)
Long-term liability	(962)		(962)		(992)
Recognized liability	(1,110)		(1,110)		(1,169)
Amounts recognized in accumulated other comprehensive loss at end of period:
Net actuarial loss (gain)	$ (74)		$ (74)		$ (66)