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ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Accumulated other comprehensive (loss) income [Abstract] |  |  |  |  |  |
Foreign currency translation adjustment |  |  |  | $ (19,305) | $ (9,351) | $ 1,904
Unrealized holding gain on available-for-sale securities, net of taxes of $265, $259 and $169 as of December 31, 2015, 2014 and 2013 |  |  |  | 434 | 429 | 282
Unfunded SERP liability, net of taxes of ($1,327), ($1,325) and ($693) as of December 31, 2015, 2014 and 2013 |  |  |  | (3,005) | (3,026) | (1,541)
Accumulated other comprehensive (loss) income |  | $ (21,876) | $ (11,948) | (21,876) | (11,948) | 645
Accumulated other comprehensive loss, tax [Abstract] |  |  |  |  |  |
Unrealized holding gains on available-for-sale securities, tax |  |  |  | 265 | 259 | 169
Change in unfunded SERP liability, tax |  |  |  | (1,327) | (1,325) | (693)
Changes in Accumulated Other Comprehensive (Loss) Income by Component [Roll Forward] |  |  |  |  |  |
Balance at beginning of period |  | (11,948) | 645 |  |  |
Other comprehensive income (loss) before reclassifications |  | (10,182) | (12,775) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  | 254 | 182 |  |  |
Net current period other comprehensive income (loss) |  | (9,928) | (12,593) |  |  |
Balance at end of period |  | (21,876) | (11,948) |  |  |
Foreign Currency Translation Adjustment [Member] |  |  |  |  |  |
Accumulated other comprehensive (loss) income [Abstract] |  |  |  |  |  |
Accumulated other comprehensive (loss) income |  | (9,351) | (9,351) | (19,305) | (9,351) | 1,904
Changes in Accumulated Other Comprehensive (Loss) Income by Component [Roll Forward] |  |  |  |  |  |
Balance at beginning of period |  | (9,351) | 1,904 |  |  |
Other comprehensive income (loss) before reclassifications |  | (9,954) | (11,255) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | 0 |  |  |
Net current period other comprehensive income (loss) |  | (9,954) | (11,255) |  |  |
Balance at end of period |  | (19,305) | (9,351) |  |  |
Unrealized Holding Gains on Available-for-Sale Securities [Member] |  |  |  |  |  |
Accumulated other comprehensive (loss) income [Abstract] |  |  |  |  |  |
Accumulated other comprehensive (loss) income |  | 429 | 282 | 434 | 429 | 282
Changes in Accumulated Other Comprehensive (Loss) Income by Component [Roll Forward] |  |  |  |  |  |
Balance at beginning of period |  | 429 | 282 |  |  |
Other comprehensive income (loss) before reclassifications |  | 5 | 147 |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) | [1] |  | 0 |  |  |
Net current period other comprehensive income (loss) |  | 5 | 147 |  |  |
Balance at end of period |  | 434 | 429 |  |  |
Unfunded SERP Liability [Member] |  |  |  |  |  |
Accumulated other comprehensive (loss) income [Abstract] |  |  |  |  |  |
Accumulated other comprehensive (loss) income |  | (3,026) | (3,026) | $ (3,005) | $ (3,026) | $ (1,541)
Changes in Accumulated Other Comprehensive (Loss) Income by Component [Roll Forward] |  |  |  |  |  |
Balance at beginning of period |  | (3,026) | (1,541) |  |  |
Other comprehensive income (loss) before reclassifications |  | (233) | (1,667) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) | [1] | 254 | 182 |  |  |
Net current period other comprehensive income (loss) |  | 21 | (1,485) |  |  |
Balance at end of period |  | $ (3,005) | $ (3,026) |  |  |
[1] | This reclassification relates to the amortization of prior service costs and gains/losses associated with the Company's SERP plan. This expense is allocated between cost of sales and selling, general and administrative expense based upon the employment classification of the plan participants.

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