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OTHER COMPREHENSIVE (LOSS) INCOME (Tables) | 12 Months Ended
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Dec. 31, 2018
Schedule of Tax Effects Allocated to Each Component of Other Comprehensive Income (Loss) | The tax effects allocated to each component of other comprehensive income (loss) were as follows:
Years Ended December 31, |  | 2018 |  |  | 2017 |  |  | 2016 |
Foreign currency translation adjustment |  | $ | (20,493 | ) |  | $ | 15,993 |  |  | $ | 6,211 |
Unrealized gain (loss) on cash flow hedging instruments |  |  | 2,627 |  |  |  | (961 | ) |  |  | (1,321 | )
Income tax (expense) benefit |  |  | (709 | ) |  |  | 259 |  |  |  | 356 |
Unrealized gain (loss) on cash flow hedging instruments, net of tax |  |  | 1,918 |  |  |  | (702 | ) |  |  | (965 | )
Reclassification of (gain) loss on cash flow hedging instruments into earnings |  |  | (215 | ) |  |  | (491 | ) |  |  | 442 |
Income tax expense (benefit) |  |  | 58 |  |  |  | 133 |  |  |  | (119 | )
Reclassification of (gain) loss on cash flow hedging instruments into earnings, net of tax |  |  | (157 | ) |  |  | (358 | ) |  |  | 323 |
Unrealized gain on equity securities |  |  | — |  |  |  | 51 |  |  |  | 27 |
Income tax expense |  |  | — |  |  |  | (66 | ) |  |  | (13 | )
Unrealized (loss) gain on equity securities, net of tax |  |  | — |  |  |  | (15 | ) |  |  | 14 |
Other comprehensive (loss) income |  | $ | (18,732 | ) |  | $ | 14,918 |  |  | $ | 5,583 |
Schedule of Accumulated Other Comprehensive Loss | The changes in each component of accumulated other comprehensive loss, net of tax, were as follows:
Years Ended December 31, |  | 2018 |  |  | 2017 |  |  | 2016 |
Foreign currency translation adjustment: |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (33,499 | ) |  | $ | (43,459 | ) |  | $ | (47,204 | )
Current period other comprehensive (loss) income |  |  | (13,105 | ) |  |  | 9,960 |  |  |  | 3,745 |
Ending balance |  |  | (46,604 | ) |  |  | (33,499 | ) |  |  | (43,459 | )
Cash flow hedging instruments: |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  | (421 | ) |  |  | 215 |  |  |  | 600 |
Current period other comprehensive income (loss) |  |  | 1,151 |  |  |  | (421 | ) |  |  | (579 | )
Reclassification adjustment |  |  | (94 | ) |  |  | (215 | ) |  |  | 194 |
Ending balance |  |  | 636 |  |  |  | (421 | ) |  |  | 215 |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  | (301 | ) |  |  | (286 | ) |  |  | (300 | )
Cumulative-effect adjustment to retained earnings |  |  | 301 |  |  |  | — |  |  |  | — |
Current period other comprehensive (loss) income |  |  | — |  |  |  | (15 | ) |  |  | 14 |
Ending balance |  |  | — |  |  |  | (301 | ) |  |  | (286 | )
Accumulated other comprehensive loss, net of tax |  | $ | (45,968 | ) |  | $ | (34,221 | ) |  | $ | (43,530 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e526-108580 + Details
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