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Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net sales	$ 551,519	$ 500,051
Cost of goods sold	249,316	229,988
Gross profit	302,203	270,063
Selling, general and administrative expense	209,130	194,402
Research and Development Expense	49,427	49,452
Segment profit (loss)	43,646	26,209
Interest expense	5,782	5,316
Foreign exchange losses, net	1,254	1,789
Unrealized Gain (Loss) on Securities	(815,934)	0
Nonoperating Income (Expense)	11,145	1,043
Income before income taxes	863,689	20,147
Provision for income taxes	(206,915)	(7,734)
Net income attributable to Bio-Rad	$ 656,774	$ 12,413
Basic earnings per share:
Net income per share basic attributable to Bio-Rad	$ 22.05	$ 0.42
Weighted average common shares - basic	29,787	29,580
Diluted earnings per share:
Net income per share diluted attributable to Bio-Rad	$ 21.77	$ 0.41
Weighted average common shares - diluted	30,171	29,911

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