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ACCRUED LIABILITIES AND OTHER LIABILITIES (Details) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Accrued liabilities [Abstract] |  |
Employee compensation, related taxes and benefits | $ 11,798,000 | $ 11,035,000
Taxes other than income and withholding | 7,782,000 | 8,820,000
Self-insurance reserves | 4,095,000 | 2,709,000
Other | 9,597,000 | 6,622,000
Accrued liabilities | 33,272,000 | 29,186,000
Other liabilities [Abstract] |  |
Accrued defined benefit pension plan | 6,768,000 | 11,106,000
Straight-line lease liability | 10,901,000 | 10,946,000
Other | 16,637,000 | 15,722,000
Other liabilities | $ 34,306,000 | $ 37,774,000

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