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Debt (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Sep. 30, 2018
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Debt [Abstract] |  |
Long-term Debt, Excluding Current Maturities | $ 19,672 | $ 29,564
Revolving Credit Facility [Member] |  |
Line Of Credit Facility [Line Items] |  |
Line Of Credit Facility Interest Rate At Period End | 4.52% | 3.86%
Letters of Credit Outstanding, Amount | $ 6,551 |
Excess Availability | $ 71,698 |

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- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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