Earnings Per Share (Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share) (Details) - shares |
3 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Options to purchase shares | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Options to purchase shares and restricted stock units (antidilutive) (in shares) | 2,043,575 | 133,800 |
| Restricted And Performance Stock Units | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Options to purchase shares and restricted stock units (antidilutive) (in shares) | 40,000 | 0 |