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Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement Of Comprehensive Income [Abstract] |  |  |
Net unrealized (loss) income on hedging derivatives, tax | $ 400 | $ (3,100) | $ (300)
Reclassification adjustment for (gain) loss on settlement of hedging derivatives included in net earnings, tax effect | 2,500 | 700 | 0
Foreign currency translation (loss) gain tax | 0 | 0 | 0
Adjustment to early retiree medical plan, tax effect | (339) | (485) | 514
Reclassification adjustment for gain on early retiree medical plan included in net earnings, tax effect | 17 | $ 49 | $ (108)
Liquidation of equity method investment in foreign joint venture, tax | $ 0 |  |

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- Definition Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e640-108580 + Details
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