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Information Related to Effect of Derivative Instruments on Our Consolidated Condensed Statements of Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Gain (loss) on derivatives | $ 89 | $ 2,155 | $ 1,758 | $ 2,223
Commodity Derivatives |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Gain (loss) on derivatives |  |  |  | (73)
Other comprehensive income | Foreign Currency Derivatives |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Gain (loss) on derivatives | (257) | 1,753 | 806 | 2,304
Other comprehensive income | Commodity Derivatives |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Gain (loss) on derivatives |  |  |  | (218)
Cost of sales | Foreign Currency Derivatives |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Gain (loss) on derivatives | 328 | 391 | 1,003 | (214)
Cost of sales | Commodity Derivatives |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Gain (loss) on derivatives |  |  |  | 145
Selling, general and administrative expense | Foreign Currency Derivatives |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Gain (loss) on derivatives |  |  |  | 75
Foreign currency gain (loss) | Foreign Currency Derivatives |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Gain (loss) on derivatives | $ 18 | $ 11 | $ (51) | $ 58

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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