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Other Financial Information | 3 Months Ended
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Mar. 31, 2024
Other Financial Information [Abstract] |
Other Financial Information | Note F – Other Financial Information Additional disclosures regarding cash flow activities are provided below.
| Three Months Ended March 31,
(Thousands of dollars) | 2024 |  | 2023
Net (increase) decrease in operating working capital, excluding cash and cash equivalents: |  |  |
(Increase) decrease in accounts receivable | $ | (13,174) |  |  | $ | (3,976) |
(Increase) decrease in inventories | 4,860 |  |  | (9,296) |
Decrease in prepaid expenses | 5,110 |  |  | 3,813 |
Increase (decrease) in accounts payable and accrued liabilities ¹ | (24,852) |  |  | (63,800) |
Increase (decrease) in income taxes payable | 3,703 |  |  | (1,772) |
Net increase in noncash working capital | $ | (24,353) |  |  | $ | (75,031) |
Supplementary disclosures: |  |  |
Cash income taxes paid, net of refunds | $ | 405 |  |  | $ | 3,342 |
Interest paid, net of amounts capitalized of $3.9 million in 2024 and $3.3 million in 2023 | 11,062 |  |  | 19,358 |
Non-cash investing activities: |  |  |
Asset retirement costs capitalized | $ | 10,955 |  |  | $ | 2,396 |
(Increase) decrease in capital expenditure accrual | (12,948) |  |  | 15,973 |
1 Excludes payable balances relating to contingent consideration for prior acquisitions.

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- Definition The entire disclosures of supplemental information, including descriptions and amounts, related to the balance sheet, income statement, and/or cash flow statement. + References No definition available. + Details
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