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Litigation and Environmental - Additional Information (Detail) $ in Thousands |  |  |  |  |  | 1 Months Ended | 12 Months Ended
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Mar. 29, 2016 Case | Aug. 05, 2014 Case | Apr. 07, 2014 Case | Sep. 19, 2013 Case | May 31, 2012 Case Person Plaintiff | Jan. 31, 2017 USD ($) Case | Dec. 31, 2016 Case | Dec. 31, 2016 USD ($) a Case Plaintiff Investigator
United States Lawsuits |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of lawsuits |  |  |  |  |  |  |  | 4
Louisiana And Delaware |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of pending claims |  |  |  |  |  |  | 2 | 2
U.S. State District Court Abad Castillo And Marquinez |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  | 2 |  |  |
Number of claimants | Person |  |  |  |  | 2,700 |  |  |
U.S. State District Court Abad Castillo | Hendler Law Firm |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of plaintiffs required to be dismissed | Plaintiff |  |  |  |  | 22 |  |  |
Number of plaintiffs dismissed |  |  |  | 14 |  |  |  |
Superior Court Abad Castillo And Marquinez |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of lawsuits filed |  | 57 |  |  |  |  |  |
U.S. State District Court, Delaware |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of claimants | Person |  |  |  |  | 230 |  |  |
Number of consolidated cases |  |  |  |  | 1 |  |  |
Galvan Matter |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  | 7 |  |  |  |  |
Number of claims granted |  |  |  |  |  |  | 1 |
DeChene Farms |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of acres of red Norland potatoes | a |  |  |  |  |  |  |  | 300
Number of independent investigators retained | Investigator |  |  |  |  |  |  |  | 2
Harold Reed v. AMVAC et al. |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of lawsuits filed | 2 |  |  |  |  |  |  |
Reed | Subsequent Event |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency damages sought, value | $ |  |  |  |  |  | $ 250 |  |
Jem Holdings | Subsequent Event |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency damages sought, value | $ |  |  |  |  |  | 60 |  |
Van Giessen Growers, Inc. | Subsequent Event |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency estimate of possible loss | $ |  |  |  |  |  | $ 400 |  |
Cross Claims | Subsequent Event |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  | 4 |  |
Chin Coulee Farms | Subsequent Event |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency estimate of possible loss | $ |  |  |  |  |  | $ 530 |  |
Houweling Farms | Subsequent Event |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency estimate of possible loss | $ |  |  |  |  |  | $ 4,300 |  |
Nicaraguan |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of claimants | Plaintiff |  |  |  |  |  |  |  | 3,592
Nicaraguan | Special Law |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  | 2
Nicaraguan | Public Law |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of Lawsuits Filed |  |  |  |  |  |  | 85 | 85
Nicaraguan | Compensatory Damages |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Value of claims paid | $ |  |  |  |  |  |  |  | $ 1,000
Nicaraguan | Punitive Damages |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Value of claims paid | $ |  |  |  |  |  |  |  | $ 5,000

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