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Debt (Details) - USD ($) $ in Thousands, shares in Millions | Jun. 30, 2019 | May 20, 2019 | May 02, 2019 | Sep. 30, 2018
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Debt Disclosure [Abstract] |  |  |  |
Long-term debt | $ 9,915 |  |  | $ 29,564
Line of Credit Facility, Interest Rate at Period End | 4.48% |  |  | 3.86%
Letters of Credit Outstanding, Amount | $ 6,551 |  |  |
Line of Credit Facility, Remaining Borrowing Capacity | $ 85,024 |  |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased | 1.5 | 1.0 | 1.0 |
Stock Repurchase Program, Authorized Amount |  | $ 25,000 |  |

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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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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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