PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Unrecognized Benefit Amounts (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 26, 2023
Pension Benefits
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Net actuarial loss (gain), beginning of period	$ 40,487	$ 48,121
Amortization	(140)	(183)
Actuarial gain	(7,050)	(3,134)
Asset loss (gain)	511	(1,136)
Currency translation gain	(426)	(83)
Net actuarial loss (gain), end of period	33,382	43,585
Other Benefits
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Net actuarial loss (gain), beginning of period	(87)	(66)
Amortization	0	0
Actuarial gain	(6)	(15)
Asset loss (gain)	0	0
Currency translation gain	0	0
Net actuarial loss (gain), end of period	$ (93)	$ (81)

Other Comprehensive Income (Loss), Defined Benefit Plan, Foreign Currency Translation Gain (Loss), after Tax

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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- Definition

Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

+ References

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- Definition

Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

+ References

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- Definition

Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.

+ References

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- Definition

Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan.

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