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Supplemental Disclosure of Cash Flow Information (Tables) | 12 Months Ended
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Sep. 30, 2017
Supplemental Disclosure of Cash Flow Information |
|  | Years Ended September 30, |
(in thousands) |  | 2017 |  |  | 2016 |  |  | 2015 |
Cash paid during the period for: |  |  |  |  |  |  |  |  |  |  |  |
Income taxes, net |  | $ | 4,434 |  |  | $ | 22,570 |  |  | $ | 38,265 |
Interest |  | $ | 7,814 |  |  | $ | 7,785 |  |  | $ | 16,950 |
Non-cash investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of NYC heating oil customer list |  | $ | — |  |  | $ | — |  |  | $ | 886 |
Non-cash financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Increase in interest expense—amortization of debt discount on 8.875% Senior Notes |  | $ | — |  |  | $ | — |  |  | $ | 112 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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