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Composition Of Certain Financial Statement Captions (Schedule Of Other Non-Current Liabilities) (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Sep. 30, 2022
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Composition Of Certain Financial Statement Captions [Abstract] |  |
Supplemental retirement plan obligations | $ 4,088 | $ 4,127
Non-current tax liabilities | 91,333 | 83,758
Other liabilities | 28,582 | 12,237
Total other non-current liabilities | $ 124,003 | $ 100,122

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- Definition Composition Of Certain Financial Statement Captions [Abstract] + References No definition available. + Details
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- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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