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Summary Of Significant Accounting (Details) $ in Thousands | 12 Months Ended
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Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($)
Summary Of Significant Accounting Policies [Abstract] |  |  |
Impairment of Real Estate |  |  | $ 200
Expense of debt issuance costs | $ 317 | $ 385 | $ 522
Unamortized Debt Issuance Expense | 1,031 | 1,158 |
Loss Contingency, Undiscounted Amount of Insurance-related Assessment Liability | 4,465 | 4,489 |
Accrued Insurance | $ 4,518 | $ 4,560 |
LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate | 1.40% | 1.80% |
Number Of Single Customers Comprising More Than Ten Percent Of Consolidated Net Sales |  | 0 |
Other Commitments [Line Items] |  |  |
Letters of Credit Outstanding, Amount | $ 6,918 |  |
Insurance Related [Member] |  |  |
Other Commitments [Line Items] |  |  |
Letters of Credit Outstanding, Amount | $ 6,347 |  |

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 + Details
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