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Summary of Business Sales by Product and Geographic Location (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Net sales |  |  |  |
Net sales | $ 107,046 | $ 77,905 | $ 211,154 | $ 148,578
Insecticides |  |  |  |
Net sales |  |  |  |
Net sales | 32,665 | 39,442 | 73,958 | 77,384
Herbicides/Soil Fumigants/Fungicides |  |  |  |
Net sales |  |  |  |
Net sales | 31,401 | 16,045 | 63,586 | 36,066
Other, Including Plant Growth Regulators |  |  |  |
Net sales |  |  |  |
Net sales | 30,377 | 10,096 | 48,217 | 13,488
Crop |  |  |  |
Net sales |  |  |  |
Net sales | 94,443 | 65,583 | 185,761 | 126,938
Non-Crop |  |  |  |
Net sales |  |  |  |
Net sales | 12,603 | 12,322 | 25,393 | 21,640
US |  |  |  |
Net sales |  |  |  |
Net sales | 64,363 | 55,760 | 134,178 | 108,004
International |  |  |  |
Net sales |  |  |  |
Net sales | $ 42,683 | $ 22,145 | $ 76,976 | $ 40,574

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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