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v3.19.1

Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Net sales | $ 553,979 | $ 551,519
Cost of goods sold | 242,217 | 249,316
Gross profit | 311,762 | 302,203
Selling, general and administrative expense | 207,581 | 209,130
Research and Development Expense | 47,575 | 49,427
Segment profit (loss) | 56,606 | 43,646
Interest expense | 5,986 | 5,782
Foreign exchange (gains) losses, net | 1,280 | 1,254
Unrealized Gain on Securities | (1,059,230) | (815,934)
Nonoperating Income (Expense) | 18,696 | 11,145
Income before income taxes | 1,127,266 | 863,689
(Provision) benefit for income taxes | (262,071) | (206,915)
Net income attributable to Bio-Rad | $ 865,195 | $ 656,774
Basic earnings per share: |  |
Net income per share basic attributable to Bio-Rad | $ 29.03 | $ 22.05
Weighted average common shares - basic | 29,801 | 29,787
Diluted earnings per share: |  |
Net income per share diluted attributable to Bio-Rad | $ 28.74 | $ 21.77
Weighted average common shares - diluted | 30,104 | 30,171

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