Organization and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended |
---|---|---|
Jun. 30, 2017 |
Jun. 30, 2017 |
|
Accounting Policies [Abstract] | ||
Tax benefit realized from exercise of stock options | $ 0.4 | $ 0.4 |