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Schedule of Reclassification Adjustments and Other Activities Impacting Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  | $ (7,551) | $ (61,393) | $ (20,444) | $ (69,091)
Cumulative effect of accounting change due to adoption of ASU 2018-02 |  |  |  | (40) |
Other comprehensive income (loss) before reclassifications |  | (24,386) | 24,405 | (10,791) | 31,843
Income tax effect of other comprehensive income (loss) before reclassifications |  | 218 | (409) | (356) | (933)
Amounts reclassified from accumulated other comprehensive (income) loss into net income (loss) |  | (169) | (289) | (129) | 780
Income taxes reclassified into net income (loss) |  | 45 | 78 | (83) | (207)
Other comprehensive (loss) income, net of tax |  | (24,292) | 23,785 | (11,399) | 31,483
Ending Balance |  | (31,843) | (37,608) | (31,843) | (37,608)
Defined Benefit Pension Plans |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  | (2,406) | (2,550) | (2,366) | (2,550)
Cumulative effect of accounting change due to adoption of ASU 2018-02 |  |  |  | (40) |
Other comprehensive (loss) income, net of tax |  |  |  | (40) |
Ending Balance |  | (2,406) | (2,550) | (2,406) | (2,550)
Foreign Currency Translation Adjustments |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  | (5,890) | (60,250) | (17,555) | (65,762)
Other comprehensive income (loss) before reclassifications |  | (22,994) | 23,285 | (11,253) | 28,800
Income tax effect of other comprehensive income (loss) before reclassifications |  | (156) | (106) | (232) | (109)
Other comprehensive (loss) income, net of tax |  | (23,150) | 23,179 | (11,485) | 28,691
Ending Balance |  | (29,040) | (37,071) | (29,040) | (37,071)
Commodity Hedge Derivatives |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  |  | 262 | 277 | 241
Other comprehensive income (loss) before reclassifications |  |  | 28 |  | 78
Income tax effect of other comprehensive income (loss) before reclassifications |  |  | (10) |  | (28)
Amounts reclassified from accumulated other comprehensive (income) loss into net income (loss) | [1] |  | (12) | (218) | (30)
Income taxes reclassified into net income (loss) |  |  | 4 | (59) | 11
Other comprehensive (loss) income, net of tax |  |  | 10 | (277) | 31
Ending Balance |  |  | 272 |  | 272
Foreign Currency Hedge Derivatives |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |
Beginning Balance |  | 745 | 1,145 | (800) | (1,020)
Other comprehensive income (loss) before reclassifications |  | (1,392) | 1,092 | 462 | 2,965
Income tax effect of other comprehensive income (loss) before reclassifications |  | 374 | (293) | (124) | (796)
Amounts reclassified from accumulated other comprehensive (income) loss into net income (loss) | [1] | (169) | (277) |  | 810
Income taxes reclassified into net income (loss) |  | 45 | 74 | (24) | (218)
Other comprehensive (loss) income, net of tax |  | (1,142) | 596 | 403 | 2,761
Ending Balance |  | $ (397) | $ 1,741 | $ (397) | $ 1,741
[1] | The amounts reclassified from accumulated other comprehensive income (loss) are included in cost of sales.

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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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- Definition Amount before tax and reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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