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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NATURE OF BUSINESS (Details 2) (USD $) In Thousands, except Share data in Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Accumulated Other Comprehensive loss |  |  |
Balance at the beginning of the period | $ (18,151) | $ (210) |
Net current period change | (5,226) | (16,709) |
Reclassification adjustment for realized (gains) losses included in net income | 1,507 | (1,232) |
Balance at the end of the period | (21,870) | (18,151) | (210)
Pre-Tax Amount |  |  |
Unrealized gain (loss) on derivatives | 727 | (1,146) | 168
Change in pension liability adjustment | (13,361) | (20,629) | (5,807)
Change in foreign currency translation adjustment | 7,999 | (8,125) | 17,036
Other comprehensive income (loss), before income taxes | (4,635) | (29,900) | 11,397
Tax Expense (Benefit) |  |  |
Unrealized (loss) gain on derivatives | 270 | (429) | 64
Change in pension liability adjustment | (5,101) | (7,979) | (1,543)
Change in foreign currency translation adjustment | 3,915 | (3,551) | 8,772
Other comprehensive (loss) income | 916 | 11,959 | (7,293)
After-Tax Amount |  |  |
Unrealized gain (loss) on derivatives | 457 | (717) | 104
Change in pension liability adjustment | (8,260) | (12,650) | (4,264)
Change in foreign currency translation adjustment | 4,084 | (4,574) | 8,264
Other comprehensive income (loss) | (3,719) | (17,941) | 4,104
Earnings (Loss) Per Share |  |  |
Weighted average restricted stock units participating securities (in shares) | 0.2 | 0.7 | 1.1
Options to purchase shares that were not included in computing diluted earnings per share due to their anti-dilutive effect | 0.2 | 0.2 | 0.2
Accrued Pension Benefit Liability |  |  |
Accumulated Other Comprehensive loss |  |  |
Balance at the beginning of the period | (40,291) | (27,641) |
Net current period change | (9,314) | (11,682) |
Reclassification adjustment for realized (gains) losses included in net income | 1,054 | (968) |
Balance at the end of the period | (48,551) | (40,291) |
Foreign Currency Items |  |  |
Accumulated Other Comprehensive loss |  |  |
Balance at the beginning of the period | 22,593 | 27,167 |
Net current period change | 4,084 | (4,574) |
Balance at the end of the period | 26,677 | 22,593 |
Derivative Cash Flow Hedges |  |  |
Accumulated Other Comprehensive loss |  |  |
Balance at the beginning of the period | (453) | 264 |
Net current period change | 4 | (453) |
Reclassification adjustment for realized (gains) losses included in net income | 453 | (264) |
Balance at the end of the period | $ 4 | $ (453) |

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- Definition Amounts recognized in other comprehensive income (but not yet recognized in net periodic benefit cost), including the net gain (loss) and net prior service cost (credit) arising during the period, which are attributable to the parent entity. Also includes reclassification adjustments out of other comprehensive income as a result of being recognized as components of net periodic benefit cost for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=6921628&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6921930&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 30 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6921628&loc=SL4569643-111683 + Details
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- Definition Pre-tax adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses), which is attributable to the parent entity. Includes gain (loss) on foreign currency forward exchange contracts. Includes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. Includes the gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) under FAS 52 and that have been designated and have qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=6921628&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6921930&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 30 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6921628&loc=SL4569643-111683 + Details
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