v2.4.0.6
OTHER CURRENT ASSETS
12 Months Ended
Dec. 31, 2011
OTHER CURRENT ASSETS [Abstract]  
Other Current Assets
OTHER CURRENT ASSETS
Other current assets consisted of the following:
 
December 31,
 
2011
 
2010
 
(Thousands of Dollars)
Prepaid expenses
$
16,555

 
$
20,255

Derivative assets
12,112

 

Product advances
11,137

 
2,738

Product imbalances
2,117

 
991

Margin deposits
1,083

 
17,787

Other
681

 
1,025

Other current assets
$
43,685

 
$
42,796