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ACCRUED LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
ACCRUED LIABILITIES |  |
Foreign non-income tax contingencies | $ 5,358 | $ 6,801
Sales, use and property tax | 3,690 | 3,426
Salaries and employee benefits | 8,217 | 6,611
Convention and meeting costs | 4,624 | 5,047
Other | 5,413 | 6,053
Total | $ 27,302 | $ 27,938

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