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COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2008 | Dec. 31, 2007 | Dec. 31, 2006 | Dec. 31, 2005 | Dec. 31, 2004 | Dec. 31, 2003
COMMITMENTS AND CONTINGENCIES [Abstract] |  |  |  |  |  |  |  |  |
Operating lease term (in years) | 10Y |  |  |  |  |  |  |  |
Office space subject to operating lease (in square feet) | 20,000 |  |  |  |  |  |  |  |
Rent expense charged to operations | $ 1,127 | $ 1,113 | $ 1,183 |  |  |  |  |  |
Future minimum rental payments [Abstract] |  |  |  |  |  |  |  |  |
2012 | 756 |  |  |  |  |  |  |  |
2013 | 373 |  |  |  |  |  |  |  |
2014 | 208 |  |  |  |  |  |  |  |
2015 | 161 |  |  |  |  |  |  |  |
2016 | 107 |  |  |  |  |  |  |  |
Thereafter | 183 |  |  |  |  |  |  |  |
Total minimum lease payments | 1,788 |  |  |  |  |  |  |  |
Slate Hill, New York site [Abstract] |  |  |  |  |  |  |  |  |
Annual monitoring costs, maximum | $ 5 | $ 5 | $ 5 | $ 5 | $ 5 | $ 5 | $ 5 | $ 5 | $ 5
Verona, Missouri facility [Abstract] |  |  |  |  |  |  |  |  |
Number of areas of the site in which capping of areas of residual contamination was performed | 4 |  |  |  |  |  |  |  |
Monitoring period for groundwater and surface water prior to submission of risk assessment report (in years) | 2 |  |  |  |  |  |  |  |
Number of sellers who have the benefit of certain contractual indemnification by the prior owner | 1 |  |  |  |  |  |  |  |

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- Definition The length of time prior to submission of a draft third party risk assessment report to the EPA during which groundwater and surface water monitoring was performed at the facility related to dioxin contamination. + References No definition available. + Details
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- Definition The number of relatively small areas of the site separate from the manufacturing facilities in which capping of areas of residual contamination was performed. + References No definition available. + Details
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- Definition The number of sellers that indemnified the company under an asset purchase agreement covering the company's acquisition of the facility for potential liabilities associated with the site and who, in turn, have the benefit of certain contractual indemnification by the prior owner that is implementing the remediation activities at the site. + References No definition available. + Details
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