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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Sep. 30, 2015
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 income (loss) for the year ended September 30, 2015.
(in millions) |  | Foreign Currency Translation Adjustment |  | Pension Benefits Adjustment |  | Unrealized Gain or Loss on Available-for-Sale Securities |  | Accumulated Other Comprehensive Loss
Balances as of September 30, 2014 |  | $ | (8.7 | ) |  | $ | (3.5 | ) |  | $ | 0.6 |  |  | $ | (11.6 | )
Other comprehensive income (loss), net of tax before reclassifications |  | (4.0 | ) |  | (1.5 | ) |  | 2.7 |  |  | (2.8 | )
Amounts reclassified from AOCI, net of tax |  | — |  |  | 0.2 |  |  | (3.3 | ) |  | (3.1 | )
Other comprehensive income (loss), net of tax |  | (4.0 | ) |  | (1.3 | ) |  | (0.6 | ) |  | (5.9 | )
Balances as of September 30, 2015 |  | $ | (12.7 | ) |  | $ | (4.8 | ) |  | $ | — |  |  | $ | (17.5 | )

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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=36458714&loc=SL7669686-108580 + Details
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