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Accrued Liabilities (Changes in Loss Reserve Activity) (Details) - Loss Reserve On Contractual Lease Commitments [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Sep. 30, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges, beginning of period | $ 3,382 | $ 4,478 | $ 3,931 | $ 5,270 | $ 5,270
Payments, net of sublease income | (269) | (267) | (818) | (1,059) |
Restructuring charges, end of period | $ 3,113 | $ 4,211 | $ 3,113 | $ 4,211 | $ 3,931

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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