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Common Stock and Stock Compensation (Tables) | 12 Months Ended
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Sep. 30, 2021
Share-based Payment Arrangement [Abstract] |
Compensation Costs Included in Net Income | The following table presents amounts related to our stock compensation arrangements:
| Fiscal Year Ended September 30,
(in thousands) | 2021 |  | 2020 |  | 2019
Share-based compensation costs | $ | 3,946 |  |  | $ | (5,094) |  |  | $ | 9,751 |
Income tax expense (benefit) on share-based compensation | 561 |  |  | 420 |  |  | (1,098) |
Summary of Restricted Stock Award Activity | The following table presents a summary of stock compensation activity:
| Shares |  | Weighted Average Grant Date Fair Value
Outstanding as of September 30, 2020 | 1,108,920 |  |  | $ | 5.65 |
Granted | 1,811,708 |  |  | 4.92 |
Released (a) | (675,475) |  |  | 7.59 |
Cancelled | (26,376) |  |  | 6.20 |
Outstanding as of September 30, 2021 | 2,218,777 |  |  | $ | 4.86 |
(a) 168,653 shares were withheld to satisfy related income tax withholding. The following table presents a summary of the fair value of shares granted:
| Fiscal Year Ended September 30,
(in millions except per share amounts) | 2021 |  | 2020 |  | 2019
Weighted average grant date fair value per share granted (a) | $ | 4.92 |  |  | $ | 5.73 |  |  | $ | 9.29 |
Total market value of shares released | $ | 3.4 |  |  | $ | 5.1 |  |  | $ | 11.8 |
(a) Awards with performance and time-based vesting provisions are generally valued based upon the underlying share price as of the issuance date.

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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