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Significant Accounting Policies And Practices (Schedule Of Range And Weighted Average Useful Lives For Definite-Lived Intangible Assets) (Details) | 12 Months Ended
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Sep. 30, 2018
Customer Relationships [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Weighted Average | 18 years 6 months
Technology Assets [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Weighted Average | 12 years 1 month 6 days
Tradenames [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Weighted Average | 11 years 10 months 24 days
Minimum [Member] | Customer Relationships [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Range | 5 years
Minimum [Member] | Technology Assets [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Range | 5 years
Minimum [Member] | Tradenames [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Range | 6 years
Maximum [Member] | Customer Relationships [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Range | 20 years
Maximum [Member] | Technology Assets [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Range | 18 years
Maximum [Member] | Tradenames [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Range | 12 years

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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