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10. Segment Information Segment Reporting (Tables)
3 Months Ended
Mar. 31, 2021
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Information regarding operating segments for the three months ended March 31, 2021 and 2020 is as follows (in millions):
Life
Science
Clinical
Diagnostics
Other
Operations
Segment net sales 2021$366.5 $358.5 $1.8 
 2020$227.2 $340.3 $4.1 
Segment net profit (loss)2021$102.3 $(1.9)$0.1 
 2020$23.7 $43.8 $1.1 
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] The following reconciles total segment profit to consolidated income before income taxes (in millions):
Three Months Ended
March 31,
 20212020
Total segment profit $100.5 $68.6 
Foreign currency exchange losses, net(0.1)(0.9)
Change in fair market value of equity securities1,179.4 827.7 
Other income, net17.4 3.3 
Consolidated income before income taxes$1,297.2 $898.7