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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, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Net sales |  |  |  |
Net sales | $ 77,905 | $ 72,724 | $ 148,578 | $ 142,198
Insecticides |  |  |  |
Net sales |  |  |  |
Net sales | 39,442 | 30,912 | 77,384 | 64,018
Herbicides/Soil Fumigants/Fungicides |  |  |  |
Net sales |  |  |  |
Net sales | 16,045 | 21,093 | 36,066 | 45,767
Other, Including Plant Growth Regulators |  |  |  |
Net sales |  |  |  |
Net sales | 10,096 | 6,331 | 13,488 | 9,820
Crop |  |  |  |
Net sales |  |  |  |
Net sales | 65,583 | 58,336 | 126,938 | 119,605
Non-Crop |  |  |  |
Net sales |  |  |  |
Net sales | 12,322 | 14,388 | 21,640 | 22,593
US |  |  |  |
Net sales |  |  |  |
Net sales | 55,760 | 51,773 | 108,004 | 101,628
International |  |  |  |
Net sales |  |  |  |
Net sales | $ 22,145 | $ 20,951 | $ 40,574 | $ 40,570

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