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Other Financial Information | 3 Months Ended
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Mar. 31, 2017
Other Financial Information [Abstract] |
Other Financial Information | Note E – Other Financial Information ﻿ Additional disclosures regarding cash flow activities are provided below. ﻿
﻿ |  |  |  |  |
﻿ | Three Months Ended March 31 |
﻿(Thousands of dollars) | 2017 |  | 2016 |
﻿Net (increase) decrease in operating working capital other than cash and cash equivalents: |  |  |  |  |
﻿Decrease in accounts receivable | $ | 36,246 |  | 2,354 |
﻿Decrease in inventories |  | 4,497 |  | 1,667 |
﻿Decrease in prepaid expenses |  | 17,788 |  | 98,888 |
﻿Decrease in other |  | – |  | 6,134 |
﻿Decrease in accounts payable and accrued liabilities |  | (44,240) |  | (225,309) | *
﻿Increase in current income tax liabilities |  | 29,127 |  | 11,919 |
﻿Net (increase) decrease in noncash operating working capital | $ | 43,418 |  | (104,347) |
﻿Supplementary disclosures: |  |  |  |  |
﻿Cash income taxes paid, net of refunds | $ | 3,422 |  | (7,865) |
﻿Interest paid, net of amounts capitalized |  | 17,720 |  | 1,849 |
﻿ |  |  |  |  |
﻿Non-cash investing activities: |  |  |  |  |
﻿Asset retirement costs capitalized | $ | 565 |  | 3,723 |
﻿Decrease in capital expenditure accrual |  | 12,906 |  | 81,858 |
﻿ ﻿ * 2016 balances included payments for deepwater rig contract exit of $253.2 million. ﻿ In April 2016, a Canadian subsidiary of the Company completed a divestiture of natural gas processing and sales pipeline assets that support Murphy’s Montney natural gas fields in the Tupper area of northeastern British Columbia. A gain on sale of approximately $187.0 million was deferred and is being recognized over the next 20 years in t he Canadian operating segment. The Company amortized approximately $1.7 million of the deferred gain during first quarter ended March 31, 2017. The remaining deferred gain of $176.7 million was included as a component of deferred credits and other liabilities in the Company’s Consolidated Balance Sheets.

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