Stockholders' Equity (Notes)

12 Months Ended

Sep. 30, 2020

Stockholders' Equity Attributable to Parent [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

Stockholders' Equity

The Company has an effective shelf registration statement filed with the Securities and Exchange Commission (SEC) in September 2018 registering $500 million of equity securities. As of September 30, 2020, $394.3 million remained available for issuance under the shelf registration statement, $100 million of which is reserved for sales under the at-the-market equity offering program discussed below.

In August 2020, the Company entered into an equity distribution agreement to issue and sell, from time to time, up to $100 million in aggregate offering price of its common stock through an at-the-market equity offering program. As of September 30, 2020, no shares had been issued under the at-the-market equity offering program.