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EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015
Numerator: |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations | $ (21,711) | $ (23,125) | $ (48,473) | $ (34,554) | $ (72,869) | $ (21,193) | $ 25,174 | $ 15,898 | $ (127,863) | $ (52,990) | $ 420,474
Loss from discontinued operations |  |  |  |  |  |  |  |  | (349) | (3,838) | (47)
NET INCOME (LOSS) | $ (22,532) | $ (21,799) | $ (48,818) | $ (35,063) | $ (72,835) | $ (21,200) | $ 21,205 | $ 16,002 | (128,212) | (56,828) | 420,427
Adjustment for basic earnings per share: |  |  |  |  |  |  |  |  |  |  |
Earnings allocated to unvested shareholders |  |  |  |  |  |  |  |  | (1,811) | (1,858) | (2,163)
Numerator for basic earnings per share: |  |  |  |  |  |  |  |  |  |  |
From continuing operations |  |  |  |  |  |  |  |  | (129,674) | (54,848) | 418,311
From discontinued operations |  |  |  |  |  |  |  |  | (349) | (3,838) | (47)
Net income (loss) attributable to parent, basic |  |  |  |  |  |  |  |  | (130,023) | (58,686) | 418,264
Adjustment for diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |
Effect of reallocating undistributed earnings of unvested shareholders |  |  |  |  |  |  |  |  |  |  | 6
Numerator for diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |
From continuing operations |  |  |  |  |  |  |  |  | (129,674) | (54,848) | 418,317
From discontinued operations |  |  |  |  |  |  |  |  | (349) | (3,838) | (47)
Net income (loss) attributable to parent, diluted |  |  |  |  |  |  |  |  | $ (130,023) | $ (58,686) | $ 418,270
Denominator: |  |  |  |  |  |  |  |  |  |  |
Denominator for basic earnings per share – weighted-average shares |  |  |  |  |  |  |  |  | 108,500 | 107,996 | 107,754
Effect of dilutive shares from stock options and restricted stock (in shares) |  |  |  |  |  |  |  |  |  |  | 816
Denominator for diluted earnings per share – adjusted weighted-average shares |  |  |  |  |  |  |  |  | 108,500 | 107,996 | 108,570
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations (in dollars per share) | $ (0.20) | $ (0.22) | $ (0.45) | $ (0.33) | $ (0.68) | $ (0.20) | $ 0.23 | $ 0.15 | $ (1.20) | $ (0.50) | $ 3.88
Loss from discontinued operations (in dollars per share) |  |  |  |  |  |  |  |  |  | (0.04) |
Net income (loss) (in dollars per share) | (0.21) | (0.21) | (0.45) | (0.33) | (0.68) | (0.20) | 0.19 | 0.15 | (1.20) | (0.54) | 3.88
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations (in dollars per share) | (0.20) | (0.22) | (0.45) | (0.33) | (0.68) | (0.20) | 0.23 | 0.15 | (1.20) | (0.50) | 3.85
Loss from discontinued operations (in dollars per share) |  |  |  |  |  |  |  |  |  | (0.04) |
Net income (loss) (in dollars per share) | $ (0.21) | $ (0.21) | $ (0.45) | $ (0.33) | $ (0.68) | $ (0.20) | $ 0.19 | $ 0.15 | $ (1.20) | $ (0.54) | $ 3.85
Outstanding equity awards |  |  |  |  |  |  |  |  |  |  |
Shares excluded from calculation of diluted earnings per share (in shares) |  |  |  |  |  |  |  |  | 1,008 | 1,788 | 667
Weighted-average price per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 74.38 | $ 63.73 | $ 72.85

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