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v3.4.0.3

Income Taxes (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2016 | Mar. 31, 2015
Income Taxes |  |  |  |
Effective income tax rate (as a percent) | 32.60% | 33.60% | 42.90% | 36.40%
Effective income tax rates as compared to the U.S. Federal income tax rate |  |  |  |
U.S. federal statutory rate (as a percent) |  |  | 35.00% |

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