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Unaudited Quarterly Financial Information | 12 Months Ended
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Dec. 31, 2014
Unaudited Quarterly Financial Information |
Unaudited Quarterly Financial Information | Note 22 Unaudited Quarterly Financial Information
|  | Year Ended December 31, 2014 |
|  | Quarter Ended |
|  | March 31 |  | June 30 |  | September 30 |  | December 31 |
|  | (In thousands, except per share amounts) |
Operating revenues and Earnings (losses) from unconsolidated affiliates from continuing operations(1) |  | $ | 1,587,173 |  | $ | 1,616,405 |  | $ | 1,810,911 |  | $ | 1,783,407 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income (loss) from continuing operations, net of tax |  | $ | 48,977 |  | $ | 65,729 |  | $ | 102,430 |  | $ | (886,401 | )
Income (loss) from discontinued operations, net of tax |  |  | 1,515 |  |  | (1,032 | ) |  | 4,005 |  |  | (4,467 | )
Less: Net (income) loss attributable to noncontrolling interest |  |  | (573 | ) |  | (253 | ) |  | (387 | ) |  | (202 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income (loss) attributable to Nabors |  | $ | 49,919 |  | $ | 64,444 |  | $ | 106,048 |  | $ | (891,070 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings (losses) per share:(2) |  |  |  |  |  |  |  |  |  |  |  |  |
Basic from continuing operations |  | $ | 0.16 |  | $ | 0.21 |  | $ | 0.34 |  | $ | (3.06 | )
Basic from discontinued operations |  |  | 0.01 |  |  | — |  |  | 0.02 |  |  | (0.02 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Basic |  | $ | 0.17 |  | $ | 0.21 |  | $ | 0.36 |  | $ | (3.08 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted from continuing operations |  | $ | 0.16 |  | $ | 0.21 |  | $ | 0.34 |  | $ | (3.06 | )
Diluted from discontinued operations |  |  | — |  |  | — |  |  | 0.01 |  |  | (0.02 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Diluted |  | $ | 0.16 |  | $ | 0.21 |  | $ | 0.35 |  | $ | (3.08 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | Year Ended December 31, 2013 |
|  | Quarter Ended |
|  | March 31 |  | June 30 |  | September 30 |  | December 31 |
|  | (In thousands, except per share amounts) |
Operating revenues and Earnings (losses) from unconsolidated affiliates from continuing operations(3) |  | $ | 1,538,373 |  | $ | 1,459,326 |  | $ | 1,548,965 |  | $ | 1,605,390 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income (loss) from continuing operations, net of tax |  | $ | 92,207 |  | $ | 28,128 |  | $ | (90,510 | ) | $ | 128,516 |
Income (loss) from discontinued operations, net of tax |  |  | 7,011 |  |  | (26,873 | ) |  | (14,430 | ) |  | 23,113 |
Less: Net (income) loss attributable to noncontrolling interest |  |  | (97 | ) |  | (5,616 | ) |  | (441 | ) |  | (1,026 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income (loss) attributable to Nabors |  | $ | 99,121 |  | $ | (4,361 | ) | $ | (105,381 | ) | $ | 150,603 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings (losses) per share:(2) |  |  |  |  |  |  |  |  |  |  |  |  |
Basic from continuing operations |  | $ | 0.31 |  | $ | 0.08 |  | $ | (0.30 | ) | $ | 0.43 |
Basic from discontinued operations |  |  | 0.03 |  |  | (0.09 | ) |  | (0.05 | ) |  | 0.07 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Basic |  | $ | 0.34 |  | $ | (0.01 | ) | $ | (0.35 | ) | $ | 0.50 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted from continuing operations |  | $ | 0.31 |  | $ | 0.08 |  | $ | (0.30 | ) | $ | 0.42 |
Diluted from discontinued operations |  |  | 0.02 |  |  | (0.09 | ) |  | (0.05 | ) |  | 0.08 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Diluted |  | $ | 0.33 |  | $ | (0.01 | ) | $ | (0.35 | ) | $ | 0.50 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(1) | Includes earnings (losses) from unconsolidated affiliates, net, accounted for by the equity method, of ($2.4) million, ($0.6) million, ($2.9) million and ($0.4) million, respectively.
(2) | Earnings per share is computed independently for each of the quarters presented. Therefore, the sum of the quarterly earnings per share may not equal the total computed for the year.
(3) | Includes earnings (losses) from unconsolidated affiliates, net, accounted for by the equity method, of $2.9 million, $1.4 million, ($2.6) million and ($1.6) million, respectively.

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- Definition The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305 Reference 3: 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=25249566&loc=d3e1280-108306 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a + Details
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