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Long-Term Debt (Schedule Of Redemption Prices Of Senior Notes) (Details) | 12 Months Ended
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Sep. 30, 2017
2018 |
Debt instrument, redemption price as percentage of principal amount | 102.875%
2019 |
Debt instrument, redemption price as percentage of principal amount | 101.917%
2020 |
Debt instrument, redemption price as percentage of principal amount | 100.958%
2021 and thereafter |
Debt instrument, redemption price as percentage of principal amount | 100.00%

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- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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