Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS, Fair Value of Assets Measured on Non-recurring Basis (Details)

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FAIR VALUE MEASUREMENTS, Fair Value of Assets Measured on Non-recurring Basis (Details) (USD $)
In Thousands
9 Months Ended
Sep. 30, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Property, plant and equipment $ 5,400
Total losses 5,727
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Property, plant and equipment 0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Property, plant and equipment 5,400
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Property, plant and equipment $ 0