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v3.6.0.2

Major classes of assets and liabilities held for sale (Details 2) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Current assets: |  |
Total current assets held for sale | $ 14,391 | $ 54,847
Noncurrent assets: |  |
Total noncurrent assets held for sale | 196,664 | $ 561,617
Pronghorn assets held for sale [Member] | Disposal group, held-for-sale, not discontinued operations [Member] |  |
Current assets: |  |
Prepayments and other current assets | 68 |
Total current assets held for sale | 68 |
Noncurrent assets: |  |
Net property, plant and equipment | 93,424 |
Goodwill | 9,737 |
Less allowance for impairment of assets held for sale | 2,311 |
Total noncurrent assets held for sale | 100,850 |
Total assets held for sale | 100,918 |
Fair value impairment | 2,300 |
Fair value impairment, net of tax | $ 1,400 |

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