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10. Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Net sales	$ 575,911	$ 504,666	$ 1,127,430	$ 1,004,717
Income before income taxes	340,086	1,120	1,203,775	21,267
Life Science [Member]
Segment Reporting Information [Line Items]
Net sales	217,800	179,400	415,600	353,600
Income before income taxes	12,200	(22,900)	15,500	(41,700)
Clinical Diagnostics [Member]
Segment Reporting Information [Line Items]
Net sales	354,000	322,100	704,800	644,400
Income before income taxes	27,800	18,500	64,400	60,100
All Other Segments [Member]
Segment Reporting Information [Line Items]
Net sales	4,100	3,200	7,000	6,700
Income before income taxes	$ 0	$ 200	$ 0	$ 400

X

- 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

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-Topic 235
-SubTopic 10
-Section S99
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-Section 50
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