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10. Segment Information (Tables) | 3 Months Ended
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Mar. 31, 2018
Segment Reporting [Abstract] |
Information regarding industry segments | Information regarding industry segments for the three months ended March 31, 2018 and 2017 is as follows (in millions):
|  | Life Science |  | Clinical Diagnostics |  | Other Operations
Segment net sales | 2018 | $ | 197.8 |  |  | $ | 350.8 |  |  | $ | 2.9 |
| 2017 | $ | 174.3 |  |  | $ | 322.3 |  |  | $ | 3.5 |
Segment net profit (loss) | 2018 | $ | 3.3 |  |  | $ | 36.6 |  |  | $ | — |
| 2017 | $ | (18.8 | ) |  | $ | 41.6 |  |  | $ | 0.2 |
Prior year amounts have been adjusted (see Note 1 to the condensed consolidated financial statements in regard to ASU 2017-07 for pension and other postretirement benefits).
Reconciliation of segment profit to consolidated income before taxes | The following reconciles total segment profit to consolidated income before taxes (in millions):
| Three Months Ended
| March 31,
| 2018 |  | 2017
Total segment profit | $ | 39.9 |  |  | $ | 23.0 |
Foreign currency exchange losses, net | (1.3 | ) |  | (1.8 | )
Net corporate operating, interest and other expense not allocated to segments | (1.9 | ) |  | (2.1 | )
Change in fair market value of equity securities | 815.9 |  |  | — |
Other income (expense), net | 11.1 |  |  | 1.0 |
Consolidated income before income taxes | $ | 863.7 |  |  | $ | 20.1 |
Prior year amounts have been adjusted (see Note 1 to the condensed consolidated financial statements in regard to ASU 2017-07 for pension and other postretirement benefits).

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- Definition Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
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