v2.4.0.6
HEALTH, SAFETY AND ENVIRONMENTAL MATTERS (Tables)
 12 Months Ended
Dec. 31, 2011
HEALTH, SAFETY AND ENVIRONMENTAL MATTERS [Abstract]  
Schedule of Environmental Accrual Rollforward [Table Text Block]
The balance of and changes in the accruals for environmental matters were as follows:
 
Year Ended December 31,
 
2011
 
2010
 
(Thousands of Dollars)
Balance as of the beginning of year
$
8,569

 
$
9,384

San Antonio Refinery Acquisition
14,000

 
—

Other additions to accrual
4,054

 
2,431

Payments
(3,498
)
 
(3,210
)
Foreign currency translation
(12
)
 
(36
)
Balance as of the end of year
$
23,113

 
$
8,569
Environmental Accruals By Balance Sheet Location [Table Text Block]
Accruals for environmental matters are included in the consolidated balance sheets as follows:
 
December 31,
 
2011
 
2010
 
(Thousands of Dollars)
Accrued liabilities
$
3,312

 
$
2,659

Other long-term liabilities
19,801

 
5,910

Accruals for environmental matters
$
23,113

 
$
8,569