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Supplemental Quarterly Information (Tables) | 12 Months Ended
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Dec. 31, 2018
Supplemental Quarterly Information [Abstract] |
Schedule of Supplemental Quarterly Information |
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﻿ |  |  |  |  |  |  |  |  |  |
﻿(Millions of dollars except per share amounts) | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter |  | Year
﻿Year ended December 31, 2018 1 |  |  |  |  |  |  |  |  |  |
﻿Revenue from contracts with customers | $ | 606.9 |  | 655.2 |  | 659.8 |  | 664.7 |  | 2,586.6
﻿Income (loss) from continuing operations before income taxes |  | 97.0 |  | 82.3 |  | 146.8 |  | 106.2 |  | 432.3
﻿Income (loss) from continuing operations |  | 168.7 |  | 45.9 |  | 95.8 |  | 112.6 |  | 423.0
﻿Net income including noncontrolling interest |  | 168.3 |  | 45.5 |  | 93.9 |  | 111.8 |  | 419.5
﻿Net income attributable to Murphy |  | 168.3 |  | 45.5 |  | 93.9 |  | 103.4 |  | 411.1
﻿Income (loss) from continuing operations per Common share |  |  |  |  |  |  |  |  |  |
﻿ Basic |  | 0.98 |  | 0.26 |  | 0.55 |  | 0.60 |  | 2.39
﻿ Diluted |  | 0.97 |  | 0.26 |  | 0.55 |  | 0.59 |  | 2.37
﻿Net income (loss) per Common share |  |  |  |  |  |  |  |  |  |
﻿ Basic |  | 0.97 |  | 0.26 |  | 0.54 |  | 0.60 |  | 2.38
﻿ Diluted |  | 0.96 |  | 0.26 |  | 0.54 |  | 0.59 |  | 2.36
﻿Cash dividend per Common share |  | 0.25 |  | 0.25 |  | 0.25 |  | 0.25 |  | 1.00
﻿Year ended December 31, 2017 |  |  |  |  |  |  |  |  |  |
﻿Revenue from contracts with customers | $ | 509.0 |  | 477.6 |  | 511.2 |  | 580.5 |  | 2,078.5
﻿Loss from continuing operations before income taxes |  | 154.9 |  | (21.9) |  | (63.6) |  | 2.4 |  | 71.8
﻿Income (loss) from continuing operations |  | 57.5 |  | (17.3) |  | (66.3) |  | (284.8) |  | (310.9)
﻿Net income (loss) attributable to Murphy |  | 58.5 |  | (17.6) |  | (65.9) |  | (286.8) |  | (311.8)
﻿Income from continuing operations per Common share |  |  |  |  |  |  |  |  |  |
﻿ Basic |  | 0.33 |  | (0.10) |  | (0.38) |  | (1.65) |  | (1.81)
﻿ Diluted |  | 0.33 |  | (0.10) |  | (0.38) |  | (1.65) |  | (1.81)
﻿Net income (loss) per Common share |  |  |  |  |  |  |  |  |  |
﻿ Basic |  | 0.34 |  | (0.10) |  | (0.38) |  | (1.66) |  | (1.81)
﻿ Diluted |  | 0.34 |  | (0.10) |  | (0.38) |  | (1.66) |  | (1.81)
﻿Cash dividend per Common share |  | 0.25 |  | 0.25 |  | 0.25 |  | 0.25 |  | 1.00
1 2018 includes noncontrolling interest in MP GOM. ﻿

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
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