v3.26.1
Goodwill and Other Purchased Intangible Assets (Tables)
 6 Months Ended
Jun. 30, 2026
Intangible Asset, Goodwill and Other [Abstract]  
Changes to goodwill by segment
Changes to goodwill by segment were as follows (in millions):
Life
Science
Clinical
Diagnostics
Total
Balances as of December 31, 2025
Goodwill$493.2 $421.8 $915.0 
Accumulated impairment losses(41.8)(293.4)(335.2)
Goodwill, net451.4 128.4 579.8 
Acquisition adjustments(1.1)— (1.1)
Foreign currency adjustments(4.4)— (4.4)
Period change, net
(5.5)— (5.5)
Balances as of June 30, 2026
Goodwill487.7 421.8 909.5 
Accumulated impairment losses(41.8)(293.4)(335.2)
Goodwill, net$445.9 $128.4 $574.3 
Schedule of identifiable purchased intangible assets with definite lives
Information regarding our identifiable purchased intangible assets with finite and indefinite lives is as follows (in millions):
June 30, 2026
Weighted-Average Amortization Period (in years)
Purchase
Price		Accumulated
Amortization
Net Carrying
Amount
Customer relationships/lists3.9$114.1 $(107.2)$6.9 
Developed product technology10.4311.8 (167.5)144.3 
Licenses2.659.5 (51.5)8.0 
Tradenames3.16.0 (5.2)0.8 
Covenants not to compete—6.5 (6.5)— 
     Total purchased intangible assets$497.9 $(337.9)$160.0 

December 31, 2025
Weighted-Average Amortization Period (in years)
Purchase
Price		Accumulated
Amortization
Net Carrying
Amount
Customer relationships/lists4.4$115.6 $(107.7)$7.9 
Developed product technology10.7315.8 (160.0)155.8 
Licenses3.159.8 (50.3)9.5 
Tradenames3.66.0 (5.1)0.9 
Covenants not to compete0.56.5 (6.3)0.2 
     Total purchased intangible assets$503.7 $(329.4)$174.3 
Finite-lived Intangible Assets Amortization Expense [Table Text Block]
Amortization expense related to purchased intangible assets was as follows (in millions):

Three Months EndedSix Months Ended
June 30,June 30,
2026202520262025
Amortization expense$6.0 $5.2 $11.9 $10.2