Other Financial Information

9 Months Ended

Sep. 30, 2022

Other Financial Information [Abstract]

Other Financial Information

Note G – Other Financial Information

Additional disclosures regarding cash flow activities are provided below.

	Nine Months Ended September 30,
(Thousands of dollars)	2022		2021
Net (increase) decrease in operating working capital, excluding cash and cash equivalents:
(Increase) decrease in accounts receivable ¹	$	(130,792)	75,100
(Increase) decrease in inventories	(410)		9,718
(Increase) in prepaid expenses	(8,561)		(6,682)
Increase in accounts payable and accrued liabilities ¹	61,139		40,687
Increase (decrease) in income taxes payable	18,750		(1,493)
Net (increase) decrease in noncash operating working capital	$	(59,874)	117,330
Supplementary disclosures:
Cash income taxes paid, net of refunds	$	16,493	1,685
Interest paid, net of amounts capitalized of $13.2 million in 2022 and $11.6 million in 2021	112,332		127,793
Non-cash investing activities:
Asset retirement costs capitalized 2	$	29,327	36,300
Decrease in capital expenditure accrual	34,853		31,301

1 Excludes receivable/payable balances relating to mark-to-market of derivative instruments and contingent consideration relating to acquisitions.

2 2021 Excludes non-cash capitalized cost offset by Terra Nova impairment of $74.4 million and a gain in other operating income of $71.8 million following a commercial agreement to sanction an asset life extension project at Terra Nova in the third quarter of 2021, which extended the life of Terra Nova by approximately 10 years.