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Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Beginning Balance | [1] | $ 807,425 |  |
Other comprehensive income before reclassifications |  | 8,556 | $ (45,000) | $ 25,632
Amounts reclassified from AOCI |  | 2,082 | 3,080 | 2,270
Remeasurement adjustment related to the Tax Act | [2] | (5,325) |  |
Net current period other comprehensive income |  | 5,313 | (41,920) | 27,902
Ending Balance | [1] | 891,783 | 807,425 |
Foreign Currency Translation Adjustments [Member] |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Beginning Balance |  | (108,481) | (70,561) | (96,775)
Other comprehensive income before reclassifications |  | 4,444 | (37,920) | 26,214
Net current period other comprehensive income |  | 4,444 | (37,920) | 26,214
Ending Balance |  | (104,037) | (108,481) | (70,561)
Defined Benefit Pension Plan Adjustments [Member] |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Beginning Balance |  | (33,083) | (29,093) | (30,790)
Other comprehensive income before reclassifications |  | 4,112 | (7,080) | (582)
Amounts reclassified from AOCI |  | 2,091 | 3,090 | 2,279
Remeasurement adjustment related to the Tax Act | [2] | (5,325) |  |
Net current period other comprehensive income |  | 878 | (3,990) | 1,697
Ending Balance |  | (32,205) | (33,083) | (29,093)
Cash Flow Hedge Adjustments [Member] |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Beginning Balance |  | 81 | 91 | 100
Amounts reclassified from AOCI |  | (9) | (10) | (9)
Net current period other comprehensive income |  | (9) | (10) | (9)
Ending Balance |  | 72 | 81 | 91
AOCI Attributable to Parent [Member] |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Beginning Balance |  | (141,483) | (99,563) | (127,465)
Ending Balance |  | $ (136,170) | $ (141,483) | $ (99,563)
[1] | The 2018 amounts for the noted line items have been retrospectively changed from the amounts originally reported as a result of the Company’s first quarter 2019 change in method of accounting for U.S. inventory valuation from LIFO to FIFO.
[2] | Amounts in parentheses denote expense to statement of income.

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