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ACCRUED LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ACCRUED LIABILITIES
Compensation and benefits	$ 7,740	$ 8,448
Other accruals	19,189	19,071
Accrued liabilities	$ 26,929	$ 27,519

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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