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OTHER INCOME (EXPENSE) (Tables)
3 Months Ended
Mar. 31, 2012
OTHER INCOME (EXPENSE) [Abstract]  
Schedule of Other Nonoperating Income Expense by Component [Text Block]
Other income (expense), net consisted of the following:
 
Three Months Ended March 31,
 
2012
 
2011
 
(Thousands of Dollars)
Storage agreement early termination costs
$

 
$
(5,000
)
Foreign exchange gains (losses)
380

 
(610
)
Other, net
988

 
111

Other income (expense), net
$
1,368

 
$
(5,499
)