v3.26.3
Other Financial Information
9 Months Ended
Sep. 30, 2026
Other Financial Information [Abstract]  
Other Financial Information
Note F – Other Financial Information
Supplemental Information to Statement of Cash Flows
Nine Months Ended
September 30,
(Thousands of dollars)20262025
Net (increase) decrease in operating working capital, excluding cash and cash equivalents:
(Increase) decrease in accounts receivable $(87,904)$(7,567)
(Increase) decrease in inventories(4,648)(9,532)
(Increase) decrease in prepaid expenses(7,666)15 
Increase (decrease) in accounts payable and accrued liabilities 82,730 (5,373)
Increase (decrease) in income taxes payable2,467 1,984 
Net (increase) decrease in non-cash working capital$(15,021)$(20,473)
Supplementary disclosures:
Interest paid, net of amounts capitalized of $15.7 million in 2026 and $5.3 million in 2025
$50,612 $52,426 
Non-cash investing activities:
Asset retirement costs capitalized$40,491 $21,756 
(Increase) decrease in capital expenditure accrual(1,920)(34,210)