Other Financial Information

12 Months Ended

Dec. 31, 2020

Other Financial Information [Abstract]

Note O – Other Financial Information

GAIN FROM FOREIGN CURRENCY TRANSACTIONS – Net gains (losses) from foreign currency transactions, including the effects of foreign currency contracts, included in the Consolidated Statements of Operations were $(0.9) million in 2020, $(6.0) million in 2019 and $16.1 million in 2018.

Noncash operating working capital (increased) decreased during each of the three years ended December 31, 2020 as shown in the following table.


(Thousands of dollars)	2020		2019	2018
Net (increase) decrease in operating working capital, excluding cash and cash equivalents:
(Increase) decrease in accounts receivable ¹	$	164,613	(232,037)	(30,212)
(Increase) decrease in inventories	5,953		10,258	16,794
(Increase) decrease in prepaid expenses	7,178		4,650	(10,011)
Increase (decrease) in accounts payable and accrued liabilities ¹	(208,740)		196,773	8,784
Increase (decrease) in income taxes payable	(1,031)		3,469	(1,458)
Net (increase) decrease in noncash operating working capital	$	(32,027)	(16,887)	(16,103)
Supplementary disclosures:
Cash income taxes paid, net of refunds	$	(44,715)	(6,645)	(7,603)
Interest paid, net of amounts capitalized of $8.0 million in 2020, $1.8 million in 2019 and $0.2 million in 2018	191,561		179,722	158,071

Non-cash investing activities:
Asset retirement costs capitalized	$	14,736	33,874	346,387
(Increase) decrease in capital expenditure accrual	84,645		(73,426)	9,817

1 Excludes receivable/payable balances relating to mark-to-market of crude contracts.