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CONSOLIDATED CONDENSED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2016 | Mar. 31, 2015
Operating revenues: |  |  |  |
Drilling - U.S. Land | $ 349,283 | $ 718,463 | $ 719,088 | $ 1,608,510
Drilling - Offshore | 34,325 | 62,428 | 76,205 | 132,315
Drilling - International Land | 51,352 | 101,038 | 123,546 | 197,711
Other | 3,231 | 3,741 | 7,199 | 7,921
Total operating revenues | 438,191 | 885,670 | 926,038 | 1,946,457
Operating costs and other: |  |  |  |
Operating costs, excluding depreciation | 221,611 | 467,099 | 498,255 | 1,026,562
Depreciation | 141,517 | 150,248 | 283,646 | 288,480
General and administrative | 33,811 | 34,995 | 65,885 | 67,731
Research and development | 2,315 | 4,857 | 5,234 | 9,015
Income from asset sales | (2,684) | (2,855) | (7,273) | (7,028)
Total operating costs and expenses | 396,570 | 654,344 | 845,747 | 1,384,760
Operating income (loss) from continuing operations | 41,621 | 231,326 | 80,291 | 561,697
Other income (expense): |  |  |  |
Interest and dividend income | 799 | 2,564 | 1,532 | 2,859
Interest expense | (5,721) | (2,600) | (10,245) | (3,190)
Other | 653 | 55 | 392 | 369
Total other income (expense) | (4,269) | 19 | (8,321) | 38
Income (loss) from continuing operations before income taxes | 37,352 | 231,345 | 71,970 | 561,735
Income tax provision | 12,178 | 77,803 | 30,898 | 204,570
Income (loss) from continuing operations | 25,174 | 153,542 | 41,072 | 357,165
Income (loss) from discontinued operations before income taxes | (56) | (76) | 48 | (91)
Income tax provision | 3,913 | (77) | 3,913 | (77)
Income (loss) from discontinued operations | (3,969) | 1 | (3,865) | (14)
NET INCOME | $ 21,205 | $ 153,543 | $ 37,207 | $ 357,151
Basic earnings per common share: |  |  |  |
Income from continuing operations (in dollars per share) | $ 0.23 | $ 1.42 | $ 0.38 | $ 3.29
Loss from discontinued operations (in dollars per share) | (0.04) |  | (0.04) |
Net income (in dollars per share) | 0.19 | 1.42 | 0.34 | 3.29
Diluted earnings per common share: |  |  |  |
Income from continuing operations (in dollars per share) | 0.23 | 1.41 | 0.37 | 3.27
Loss from discontinued operations (in dollars per share) | (0.04) |  | (0.04) |
Net income (in dollars per share) | $ 0.19 | $ 1.41 | $ 0.33 | $ 3.27
Weighted average shares outstanding (in thousands): |  |  |  |
Basic (in shares) | 108,014 | 107,646 | 107,933 | 107,812
Diluted (in shares) | 108,466 | 108,370 | 108,430 | 108,620
Dividends declared, per share (in dollars per share) | $ 0.6875 | $ 0.6875 | $ 1.375 | $ 1.3750

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