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Equity Incentive Plan (Value Of Stock Option And Stock-Based Award Activity) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2012
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| Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] | |||
| Total intrinsic value of stock options exercised | $ 2,040 | $ 6,525 | $ 31,746 |
| Total fair value of restricted stock and restricted stock unit awards vested | $ 79,660 | $ 48,083 | $ 65,574 |