RESTRUCTURING AND ASSET IMPAIRMENTS - Severance and Retention Costs by Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Segment Reporting Information [Line Items]
Total	$ 29,682	$ 8,213	$ 6,856
Operating Segments | RMS
Segment Reporting Information [Line Items]
Total	3,479	1,007	7
Operating Segments | DSA
Segment Reporting Information [Line Items]
Total	16,176	851	3,114
Operating Segments | Manufacturing
Segment Reporting Information [Line Items]
Total	9,138	5,126	3,663
Unallocated corporate
Segment Reporting Information [Line Items]
Total	$ 889	$ 1,229	$ 72