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Supplemental Disclosure of Cash Flow Information | 12 Months Ended
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Sep. 30, 2017
Supplemental Disclosure of Cash Flow Information | 15) 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 The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -URI http://asc.fasb.org/topic&trid=2134446 + Details
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