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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Income Taxes |  |  |  |
Effective tax rate (as a percent) | (71.20%) | 97.20% | (18.60%) | 49.70%
Federal statutory rate (as a percent) | 35.00% |  | 35.00% |
Effective tax rate reconciliation impact of non-deductible research and development expenses |  |  | $ 11.7 |
Tax benefit related to non-controlling interests | $ 6.9 |  | 15.3 |
Tax benefit related to valuation allowances | 38.4 |  | 38.4 |
Valuation allowances adjustments related to non deductible research and development credits | 7.2 |  | 7.2 |
Discrete expense, net of related valuation allowance |  |  | (3.8) |
Undistributed earnings related to foreign subsidiaries | 97.3 |  | $ 97.3 |
United Kingdom |  |  |  |
Income Taxes |  |  |  |
Valuation allowances | 26.5 |  |  |
Australia |  |  |  |
Income Taxes |  |  |  |
Valuation allowances | $ 11.9 |  |  |

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible discrete expenses. + References No definition available. + Details
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