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Other Comprehensive (Loss) Income - Schedule of Tax Effects Allocated to Each Component of Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Components Of Other Comprehensive Income Loss [Line Items] |  |  |  |  |  |  |  |
Foreign currency translation adjustment | $ (8,219) |  |  | $ 5,514 |  |  | $ (746) | $ (6,592)
Unrealized (loss) gain on cash flow hedging instruments | 0 |  |  | (570) |  |  | 97 | 1,297
Income tax benefit (expense) | 0 |  |  | 154 |  |  | (27) | (349)
Unrealized (loss) gain on cash flow hedging instruments, net of tax | 0 |  |  | (416) |  |  | 70 | 948
Reclassification of (gain) loss on cash flow hedging instruments into earnings | 0 |  |  | (697) |  |  | 305 | (946)
Income tax expense (benefit) | 0 |  |  | 188 |  |  | (84) | 255
Reclassification of (gain) loss on cash flow hedging instruments into earnings, net of tax | 0 |  |  | (509) |  |  | 221 | (691)
Other comprehensive (loss) income | $ (8,219) | $ 3,988 | $ 3,776 | $ 4,589 | $ 8,356 | $ (19,280) | $ (455) | $ (6,335)

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- Definition Amount after tax and 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=124509347&loc=SL7669646-108580 + Details
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