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Assets Held for Sale and Discontinued Operations - Assets and Liabilities Held for Sale (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Sep. 30, 2018
--- | --- | ---
Assets |  |
Total current assets | $ 25,977 | $ 45,322
Total current liabilities | 21,965 | 31,798
Net assets included in the disposal group | 4,012 | 13,524
Solar Segment | Discontinued Operations, Held-for-sale |  |
Assets |  |
Total current assets | 20,418 | 39,379
Property, Plant and Equipment - Net | 5,559 | 5,943
Total assets included in the disposal group | 25,977 | 45,322
Total current liabilities | 19,545 | 29,380
Long-Term Debt | 2,420 | 2,418
Total liabilities included in the disposal group | $ 21,965 | $ 31,798

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