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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) | 9 Months Ended
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Sep. 30, 2018
Equity [Abstract] |
Schedule of accumulated other comprehensive loss | The changes in accumulated other comprehensive loss by component and related tax effects for the nine months ended September 30, 2018 were as follows (in thousands):
| Foreign Currency Translation |  | Unrealized Losses on Available-For-Sale Securities |  | Unrealized Loss on Interest Rate Hedge |  | Unfunded Pension Liability |  | Total
Balance at January 1, 2018 | $ | (170,575 | ) |  | $ | (146 | ) |  | $ | — |  |  | $ | (1,686 | ) |  | $ | (172,407 | )
Other comprehensive loss before tax effects | (17,259 | ) |  | (1,043 | ) |  | (310 | ) |  | — |  |  | (18,612 | )
Tax effects | 5,609 |  |  | (95 | ) |  | — |  |  | — |  |  | 5,514 |
Other comprehensive loss | $ | (11,650 | ) |  | $ | (1,138 | ) |  | $ | (310 | ) |  | $ | — |  |  | $ | (13,098 | )
Balance at September 30, 2018 | $ | (182,225 | ) |  | $ | (1,284 | ) |  | $ | (310 | ) |  | $ | (1,686 | ) |  | $ | (185,505 | )

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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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