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Supplemental Disclosure of Cash Flow Information (Tables) | 6 Months Ended
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Mar. 31, 2018
Supplemental Cash Flow Elements [Abstract] |
Supplemental Disclosure of Cash Flow Information |
|  | Six Months Ended |
Cash paid during the period for: |  | March 31, |
(in thousands) |  | 2018 |  |  | 2017 |
Income taxes, net |  | $ | 479 |  |  | $ | 3,862 |
Interest |  | $ | 4,415 |  |  | $ | 4,224 |

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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
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration