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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