Other Financial Information

6 Months Ended

Jun. 30, 2017

Other Financial Information [Abstract]

Other Financial Information

Note E – Other Financial Information

Additional disclosures regarding cash flow activities are provided below.

	Six Months Ended June 30,
(Thousands of dollars)	2017		2016
Net (increase) decrease in operating working capital other than    cash and cash equivalents:
Decrease in accounts receivable	$	125,283	109,105
Decrease (increase) in inventories		5,918	(4,659)
Decrease in prepaid expenses		9,206	99,524
Decrease in other		–	5,564
Decrease in accounts payable and accrued liabilities		(136,500)	(337,302)	*
Increase in current income tax liabilities		38,674	40,975
Net (increase) decrease in noncash operating working capital	$	42,581	(86,793)
Supplementary disclosures:
Cash income taxes paid, net of refunds	$	9,448	(4,367)
Interest paid, net of amounts capitalized		72,136	52,654
Non-cash investing activities:
Asset retirement costs capitalized	$	797	8,693
Decrease in capital expenditure accrual		43,370	165,329

*2016 balances included payments for deepwater rig contract exit of $261.8 million.