ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Changes in AOCI by Component (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2025	Dec. 27, 2024	Mar. 29, 2024	Dec. 29, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period		$ 463,424
Other comprehensive income (loss) before reclassifications	$ 1,129	(4,916)	$ (2,403)	$ 3,197
Amounts reclassified from accumulated other comprehensive income	10	11	10	10
Tax effects	(3)	(2)	4	(39)
Balance, end of period	441,102		500,089
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	1,057	5,964	6,491	3,323
Balance, end of period	2,193	1,057	4,102	6,491
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	1,141	6,056	6,640	3,581
Other comprehensive income (loss) before reclassifications	1,133	(4,915)	(2,379)	3,059
Amounts reclassified from accumulated other comprehensive income	0	0	0	0
Tax effects	0	0	0	0
Balance, end of period	2,274	1,141	4,261	6,640
Unrealized gain (loss) on available-for sale securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	16	17	(19)	(121)
Other comprehensive income (loss) before reclassifications	(4)	(1)	(24)	138
Amounts reclassified from accumulated other comprehensive income	0	0	0
Tax effects		0	6	(36)
Balance, end of period	12	16	(37)	(19)
Unamortized Loss on Defined Benefit Pension Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(100)	(109)	(130)	(137)
Other comprehensive income (loss) before reclassifications	0	0	0	0
Amounts reclassified from accumulated other comprehensive income	10	11	10	10
Tax effects	(3)	(2)	(2)	(3)
Balance, end of period	$ (93)	$ (100)	$ (122)	$ (130)