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Summary of Business Sales Segmentation as per Product (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Net sales: |  |  |  |  |  |  |  |  |  |  |
Total crop |  |  |  |  |  |  |  |  | $ 272,204 | $ 258,090 | $ 267,710
Non-crop |  |  |  |  |  |  |  |  | 39,909 | 31,292 | 30,924
Net sales | $ 87,468 | $ 82,447 | $ 72,724 | $ 69,474 | $ 83,808 | $ 72,486 | $ 66,523 | $ 66,565 | 312,113 | 289,382 | 298,634
Gross profit | $ 36,404 | $ 32,986 | $ 31,395 | $ 27,503 | $ 30,698 | $ 31,433 | $ 25,121 | $ 24,650 | 128,288 | 111,902 | 114,496
Crop |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Gross profit |  |  |  |  |  |  |  |  | 107,821 | 97,198 | 101,633
Non-crop |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Gross profit |  |  |  |  |  |  |  |  | 20,467 | 14,704 | 12,863
Insecticides |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Total crop |  |  |  |  |  |  |  |  | 119,226 | 117,180 | 135,705
Herbicides/Soil Fumigants/Fungicides |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Total crop |  |  |  |  |  |  |  |  | 123,540 | 111,897 | 101,785
Other, Including Plant Growth Regulators |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Total crop |  |  |  |  |  |  |  |  | $ 29,438 | $ 29,013 | $ 30,220

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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1,2) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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