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Significant Accounting Policies And Practices (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2016
Significant Accounting Policies And Practices [Abstract] |  |  |
Debt issuance costs | $ 57.6 | $ 76.1 |
Shipping and handling costs | 251.2 | 224.6 | $ 226.5
Advertising costs | 26.0 | 21.6 | 23.4
Exchange losses on foreign currency transactions | $ 7.1 | $ 5.9 | $ 6.9
Percentage greater than the largest amount of recognized income tax positions which likely of being realized | 50.00% |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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