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Derivative Financial Instruments Tables | 6 Months Ended
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Mar. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] | The fair values of the swap contracts are presented below.
| March 31, |  | September 30,
| 2017 |  | 2016
| (in millions)
Other current liabilities | $ | 1.4 |  |  | $ | 2.0 |
Other noncurrent liabilities | 0.7 |  |  | 5.3 |
| $ | 2.1 |  |  | $ | 7.3 |

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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959 + Details
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