v3.26.3
SEGMENT AND GEOGRAPHIC INFORMATION - Schedule of Revenue and Other Financial Information by Reportable Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 26, 2026
Sep. 27, 2025
Sep. 26, 2026
Sep. 27, 2025
Segment Reporting [Line Items]        
Revenue $ 982,732 $ 1,004,852 $ 2,982,640 $ 3,021,155
Selling, general and administrative 140,591 177,589 528,910 546,937
Amortization of intangible assets 14,641 27,404 44,575 158,052
Operating income 202,638 133,799 442,423 308,602
Interest income 958 1,422 3,023 3,923
Interest expense (28,525) (25,403) (85,607) (83,254)
Other expense, net (4,414) (22,618) (165,954) (34,675)
Income before income taxes 170,657 87,200 193,885 194,596
Capital Expenditures 46,810 35,580 133,823 130,202
Depreciation and amortization 72,260 85,164 206,701 325,035
DSA        
Segment Reporting [Line Items]        
Revenue 596,322 600,685 1,799,752 1,811,323
Manufacturing        
Segment Reporting [Line Items]        
Revenue 178,878 190,693 557,514 570,014
RMS        
Segment Reporting [Line Items]        
Revenue 207,532 213,474 625,374 639,818
Operating Segments | DSA        
Segment Reporting [Line Items]        
Revenue 596,322 600,685 1,799,752 1,811,323
Cost of revenue (excluding amortization of intangible assets) 406,987 408,112 1,254,487 1,250,162
Selling, general and administrative 7,337 56,266 114,976 181,829
Amortization of intangible assets 9,622 13,154 29,639 39,446
Operating income 172,376 123,153 400,650 339,886
Capital Expenditures 30,048 25,709 87,990 78,730
Depreciation and amortization 45,281 44,001 126,828 128,660
Operating Segments | Manufacturing        
Segment Reporting [Line Items]        
Revenue 178,878 190,693 557,514 570,014
Cost of revenue (excluding amortization of intangible assets) 79,303 109,944 275,885 326,967
Selling, general and administrative 33,594 32,556 99,197 99,004
Amortization of intangible assets 2,146 8,267 6,152 100,676
Operating income 63,835 39,926 176,280 43,367
Capital Expenditures 6,839 5,191 18,747 33,631
Depreciation and amortization 7,784 17,377 23,572 127,343
Operating Segments | RMS        
Segment Reporting [Line Items]        
Revenue 207,532 213,474 625,374 639,818
Cost of revenue (excluding amortization of intangible assets) 138,572 148,004 436,360 430,435
Selling, general and administrative 24,847 24,934 52,940 77,509
Amortization of intangible assets 2,873 5,983 8,784 17,930
Operating income 41,240 34,553 127,290 113,944
Capital Expenditures 9,411 3,173 25,968 14,099
Depreciation and amortization 16,145 21,939 48,018 63,410
Operating Segments | Segment operating income        
Segment Reporting [Line Items]        
Operating income 277,451 197,632 704,220 497,197
Unallocated corporate        
Segment Reporting [Line Items]        
Selling, general and administrative 74,813 63,833 261,797 188,595
Operating income (74,813) (63,833) (261,797) (188,595)
Capital Expenditures 512 1,507 1,118 3,742
Depreciation and amortization $ 3,050 $ 1,847 $ 8,283 $ 5,622