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Goodwill and Other Purchased Intangible Assets (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Goodwill [Line Items]    
Goodwill $ 750,300 $ 748,800
Accumulated impairment loss (335,200) (335,200)
Goodwill, net 415,100 413,569
Goodwill, Foreign Currency Translation Gain (Loss) 1,500  
Goodwill, Period Increase (Decrease) 1,500  
Clinical Diagnostics    
Goodwill [Line Items]    
Goodwill 417,000 415,500
Accumulated impairment loss (293,400) (293,400)
Goodwill, net 123,600 122,100
Goodwill, Foreign Currency Translation Gain (Loss) 1,500  
Goodwill, Period Increase (Decrease) 1,500  
Life Science    
Goodwill [Line Items]    
Goodwill 333,300 333,300
Accumulated impairment loss (41,800) (41,800)
Goodwill, net 291,500 $ 291,500
Goodwill, Foreign Currency Translation Gain (Loss) 0  
Goodwill, Period Increase (Decrease) $ 0