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Schedule of Reclassification Adjustments and Other Activities Impacting Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  | $ (39,440) | $ (31,843) | $ (39,500) | $ (20,444)
Cumulative effect of accounting change due to adoption of ASU 2018-02 |  |  |  |  | (40)
Other comprehensive income (loss) before reclassifications |  | (14,690) | (1,680) | (14,095) | (12,471)
Income tax effect of other comprehensive income (loss) before reclassifications |  | (351) | (476) | (785) | (832)
Amounts reclassified from accumulated other comprehensive income (loss) into net income (loss) |  | (424) | 167 | (553) | 38
Income taxes reclassified into net income (loss) |  | 91 | (45) | 119 | (128)
Other comprehensive loss, net of tax |  | (15,374) | (2,034) | (15,314) | (13,433)
Ending Balance |  | (54,814) | (33,877) | (54,814) | (33,877)
Defined Benefit Pension Plans |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  | (2,339) | (2,406) | (2,339) | (2,366)
Cumulative effect of accounting change due to adoption of ASU 2018-02 |  |  |  |  | (40)
Other comprehensive loss, net of tax |  |  |  |  | (40)
Ending Balance |  | (2,339) | (2,406) | (2,339) | (2,406)
Foreign Currency Translation Adjustments |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  | (37,928) | (29,040) | (37,157) | (17,555)
Other comprehensive income (loss) before reclassifications |  | (14,857) | (3,266) | (15,454) | (14,519)
Income tax effect of other comprehensive income (loss) before reclassifications |  | (315) | 15 | (489) | (217)
Other comprehensive loss, net of tax |  | (15,172) | (3,251) | (15,943) | (14,736)
Ending Balance |  | (53,100) | (32,291) | (53,100) | (32,291)
Foreign Currency Hedge Derivatives |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  | 827 | (397) | (4) | (800)
Other comprehensive income (loss) before reclassifications |  | 167 | 1,586 | 1,359 | 2,048
Income tax effect of other comprehensive income (loss) before reclassifications |  | (36) | (491) | (296) | (615)
Amounts reclassified from accumulated other comprehensive income (loss) into net income (loss) | [1] | (424) | 167 | (553) | 256
Income taxes reclassified into net income (loss) |  | 91 | (45) | 119 | (69)
Other comprehensive loss, net of tax |  | (202) | 1,217 | 629 | 1,620
Ending Balance |  | $ 625 | $ 820 | $ 625 | 820
Commodity Hedge Derivatives |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  |  |  |  | 277
Amounts reclassified from accumulated other comprehensive income (loss) into net income (loss) | [1] |  |  |  | (218)
Income taxes reclassified into net income (loss) |  |  |  |  | (59)
Other comprehensive loss, net of tax |  |  |  |  | $ (277)
[1] | The amounts reclassified from accumulated other comprehensive income (loss) are included in cost of sales.

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