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Supplemental Cash Flow Information (Tables) | 3 Months Ended
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Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract] |
Supplemental disclosure of non-cash activity | The following table presents supplemental disclosure of non-cash and cash activity as well as a reconciliation of our total cash balances between our condensed consolidated balance sheets and condensed consolidated statements of cash flows for the periods presented:
| Three Months Ended
| December 31,
in thousands | 2018 |  | 2017
Supplemental disclosure of cash activity: |  |  |
Interest payments | $ | 13,986 |  |  | $ | 10,766 |
Income tax payments | 121 |  |  | — |
Tax refunds received | 1,148 |  |  | 39 |
Reconciliation of cash, cash equivalents, and restricted cash: |  |  |
Cash and cash equivalents | $ | 84,399 |  |  | $ | 177,812 |
Restricted cash | 12,637 |  |  | 12,082 |
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows | $ | 97,036 |  |  | $ | 189,894 |

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