v3.26.1
Restructuring and Related Activities (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 05, 2026
Jun. 29, 2025
Jul. 05, 2026
Jun. 29, 2025
Restructuring Cost and Reserve [Line Items]        
Restructuring and Other Costs (Income) $ 35,508 $ 11,203 $ 46,183 $ 14,442
Other Charges Included in Restructuring and Other Costs     $ 4,900  
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent     5.00%  
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance     $ 17,793  
Net restructuring charges incurred     41,311  
Payments for Restructuring     (26,286)  
Restructuring Reserve, Ending Balance 32,818   32,818  
Life Sciences [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring and Other Costs (Income) 5,926 1,917 9,155 4,445
Lease Abandonment Charges Included In Restructuring and Other Costs     3,100  
Diagnostics [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring and Other Costs (Income) 29,582 9,233 37,136 9,368
Lease Abandonment Charges Included In Restructuring and Other Costs     700  
Acceleration of depreciation of fixed assets and other charges     1,100  
Corporate Expenses [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring and Other Costs (Income) $ 0 $ 53 $ (108) $ 629