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CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Operating revenues: |  |  |  |
Drilling - U.S. Land | $ 285,028 | $ 494,615 | $ 1,004,116 | $ 2,103,125
Drilling - Offshore | 30,492 | 57,071 | 106,697 | 189,386
Drilling - International Land | 47,983 | 106,551 | 171,529 | 304,262
Other | 2,983 | 3,208 | 10,182 | 11,129
Total operating revenues | 366,486 | 661,445 | 1,292,524 | 2,607,902
Operating costs and other: |  |  |  |
Operating costs, excluding depreciation | 186,146 | 350,640 | 684,401 | 1,377,202
Depreciation | 138,690 | 144,965 | 422,336 | 433,445
Asset impairment charge | 6,250 |  | 6,250 |
General and administrative | 46,496 | 29,253 | 112,381 | 96,984
Research and development | 2,707 | 3,329 | 7,941 | 12,344
Income from asset sales | (547) | (1,791) | (7,820) | (8,819)
Total operating costs and expenses | 379,742 | 526,396 | 1,225,489 | 1,911,156
Operating income (loss) from continuing operations | (13,256) | 135,049 | 67,035 | 696,746
Other income (expense): |  |  |  |
Interest and dividend income | 778 | 1,588 | 2,310 | 4,447
Interest expense | (6,407) | (6,136) | (16,652) | (9,326)
Other | 534 | (281) | 926 | 88
Total other income (expense) | (5,095) | (4,829) | (13,416) | (4,791)
Income (loss) from continuing operations before income taxes | (18,351) | 130,220 | 53,619 | 691,955
Income tax provision | 2,842 | 39,321 | 33,740 | 243,891
Income (loss) from continuing operations | (21,193) | 90,899 | 19,879 | 448,064
Income (loss) from discontinued operations before income taxes | 2,193 | (27) | 2,241 | (118)
Income tax provision | 2,200 |  | 6,113 | (77)
Loss from discontinued operations | (7) | (27) | (3,872) | (41)
NET INCOME (LOSS) | $ (21,200) | $ 90,872 | $ 16,007 | $ 448,023
Basic earnings per common share: |  |  |  |
Income (loss) from continuing operations (in dollars per share) | $ (0.20) | $ 0.84 | $ 0.18 | $ 4.13
Loss from discontinued operations (in dollars per share) |  |  | (0.04) |
Net income (loss) (in dollars per share) | (0.20) | 0.84 | 0.14 | 4.13
Diluted earnings per common share: |  |  |  |
Income (loss) from continuing operations (in dollars per share) | (0.20) | 0.83 | 0.17 | 4.10
Loss from discontinued operations (in dollars per share) |  |  | (0.04) |
Net income (loss) (in dollars per share) | $ (0.20) | $ 0.83 | $ 0.13 | $ 4.10
Weighted average shares outstanding (in thousands): |  |  |  |
Basic (in shares) | 108,047 | 107,652 | 107,970 | 107,759
Diluted (in shares) | 108,047 | 108,469 | 108,523 | 108,571
Dividends declared per common share (in dollars per share) | $ 0.7000 | $ 0.6875 | $ 2.075 | $ 2.0625

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