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Accumulated Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Mar. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The following table summarizes the changes in accumulated other comprehensive loss for the six months ended March 31, 2017.
(in millions) |  | Foreign Currency Translation Adjustment |  | Pension Benefits Adjustment |  | Accumulated Other Comprehensive Loss
Balances as of September 30, 2016 |  | $ | (20.1 | ) |  | $ | (4.5 | ) |  | $ | (24.6 | )
Other comprehensive loss, net of tax |  | (0.2 | ) |  | — |  |  | (0.2 | )
Balances as of March 31, 2017 |  | $ | (20.3 | ) |  | $ | (4.5 | ) |  | $ | (24.8 | )

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- Definition Accumulated Other Comprehensive Income (Loss) [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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