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10. Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Segment Reporting Information [Line Items] |  |
Net sales | $ 551,519 | $ 500,051
Income before income taxes | 863,689 | 20,147
Life Science [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 197,800 | 174,300
Income before income taxes | 3,300 | (18,800)
Clinical Diagnostics [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 350,800 | 322,300
Income before income taxes | 36,600 | 41,600
All Other Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 2,900 | 3,500
Income before income taxes | $ 0 | $ 200

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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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