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ASSETS HELD FOR SALE AND ASSET IMPAIRMENTS Table 2 (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Long Lived Assets Held-for-sale [Line Items]    
Assets held for sale $ 640,959 $ 0
Asphalt Operations
   
Long Lived Assets Held-for-sale [Line Items]    
Assets held for sale 638,112  
Asphalt Operations | Inventories
   
Long Lived Assets Held-for-sale [Line Items]    
Assets held for sale 410,977  
Asphalt Operations | Other current assets
   
Long Lived Assets Held-for-sale [Line Items]    
Assets held for sale 135  
Asphalt Operations | Property, plant and equipment, net
   
Long Lived Assets Held-for-sale [Line Items]    
Assets held for sale 204,946  
Asphalt Operations | Other long-term assets, net
   
Long Lived Assets Held-for-sale [Line Items]    
Assets held for sale 22,054  
Other | Property, plant and equipment, net
   
Long Lived Assets Held-for-sale [Line Items]    
Assets held for sale $ 2,847