v3.4.0.3
STATEMENTS OF CASH FLOWS (Tables)
 3 Months Ended
Mar. 31, 2016
Statement of Cash Flows [Abstract]  
Schedule of Changes in Current Assets and Liabilities [Text Block]
Changes in current assets and current liabilities were as follows:
 
Three Months Ended March 31,
 
2016
 
2015
 
(Thousands of Dollars)
Decrease (increase) in current assets:
 
 
 
Accounts receivable
$
11,706

 
$
19,654

Inventories
(2,398
)
 
11,997

Other current assets
5,613

 
10,963

Increase (decrease) in current liabilities:
 
 
 
Accounts payable
(3,370
)
 
(21,776
)
Payable to related party, net
(1,575
)
 
1,145

Accrued interest payable
(6,389
)
 
(5,948
)
Accrued liabilities
(16,859
)
 
(23,191
)
Taxes other than income tax
593

 
(1,738
)
Income tax payable
189

 
1,120

Changes in current assets and current liabilities
$
(12,490
)
 
$
(7,774
)
Schedule of Supplemental Cash Flow Information [Text Block]
Cash flows related to interest and income taxes were as follows:
 
Three Months Ended March 31,
 
2016
 
2015
 
(Thousands of Dollars)
Cash paid for interest, net of amount capitalized
$
41,079

 
$
38,044

Cash paid for income taxes, net of tax refunds received
$
2,742

 
$
1,738