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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Jun. 30, 2020
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, net for the nine months ended June 30, 2020.
(in millions) |  | Foreign Currency Translation Adjustment |  | Pension Benefits Adjustment |  | Accumulated Other Comprehensive Loss, net
Balances as of September 30, 2019 |  | $ | (31.5 | ) |  | $ | (3.3 | ) |  | $ | (34.8 | )
ASU 2018-02 cumulative transition adjustment |  | — |  |  | (0.7 | ) |  | (0.7 | )
Adjusted Balances as of September 30, 2019 |  | (31.5 | ) |  | (4.0 | ) |  | (35.5 | )
Other comprehensive loss |  | (2.7 | ) | — |  | — |  |  | (2.7 | )
Balances as of June 30, 2020 |  | $ | (34.2 | ) |  | $ | (4.0 | ) |  | $ | (38.2 | )

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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