Quarterly report pursuant to sections 13 or 15(d)

2. VARIABLE INTEREST ENTITY (Details)

v2.4.0.8
2. VARIABLE INTEREST ENTITY (Details) (New PE Holdco, USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Variable Interest Entity [Line Items]  
Total assets $ 162,440
Total liabilities 119,509
Cash and Cash Equivalents [Member]
 
Variable Interest Entity [Line Items]  
Total assets 60
Other Current Assets [Member]
 
Variable Interest Entity [Line Items]  
Total assets 7,821
Property, Plant and Equipment [Member]
 
Variable Interest Entity [Line Items]  
Total assets 151,612
Other Assets [Member]
 
Variable Interest Entity [Line Items]  
Total assets 2,947
Other Current Liabilities [Member]
 
Variable Interest Entity [Line Items]  
Total liabilities 5,665
Long-term Debt [Member]
 
Variable Interest Entity [Line Items]  
Total liabilities 101,944
Other Liabilities [Member]
 
Variable Interest Entity [Line Items]  
Total liabilities $ 11,900