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Stock Compensation (Tables) | 12 Months Ended
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Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Compensation costs included in net income | The following table presents the compensation costs related to our stock compensation arrangements:
| Fiscal Year Ended September 30,
| 2016 |  | 2015 |  | 2014
| (in thousands)
Gross compensation costs: |  |  |  |  |
Phantom stock | $ | — |  |  | $ | 3,932 |  |  | $ | — |
Restricted stock | 5,346 |  |  | (1,558 | ) |  | 6,845 |
Total gross compensation costs | 5,346 |  |  | 2,374 |  |  | 6,845 |
Income tax benefits: |  |  |  |  |
Restricted stock | (963 | ) |  | — |  |  | (3,576 | )
Total income tax benefits | (963 | ) |  | — |  |  | (3,576 | )
Net compensation expense | $ | 4,383 |  |  | $ | 2,374 |  |  | $ | 3,269 |
Summary of restricted stock award activity | The following table presents a summary of restricted stock award activity as of, and for the fiscal year ended September 30, 2016:
| Shares |  | Weighted Average Grant Date Fair Value
Outstanding as of September 30, 2015 | 583,161 |  |  | $ | 18.94 |
Granted | 1,612,062 |  |  | 3.53 |
Other (a) | 1,701,750 |  |  | 5.53 |
Released (b) | (459,653 | ) |  | 6.76 |
Modified (c) | (720,000 | ) |  | 4.74 |
Forfeited | (305,820 | ) |  | 16.07 |
Outstanding as of September 30, 2016 | 2,411,500 |  |  | $ | 5.77 |
(a) | Includes remaining outstanding non-forfeited awards from 1,863,550 shares accounted for as phantom share-based awards for which $3.9 million was accrued as of September 30, 2015 as discussed above.
(b) | 36,598 shares were withheld to satisfy related federal income tax withholding.
(c) See discussion of modification of awards above. The following table presents a summary of the fair values of shares granted:
| Fiscal Year Ended September 30,
| 2016 |  | 2015 |  | 2014
| (in millions except per share amounts)
Weighted average grant-date fair value per share granted (a) | $ | 3.53 |  |  | $ | 10.34 |  | (b) | $ | 14.58 |
Total grant date fair value of shares vested | $ | 2.3 |  |  | $ | 1.8 |  |  | $ | 7.6 |
(a) | Awards with market-conditioned vesting provisions are valued using a Monte Carlo simulation model. See Note 7 for discussion of Monte Carlo simulation model fair value inputs. Awards with performance and time-based vesting provisions are generally valued based upon the underlying share price as of the issuance date.
(b) | Fiscal 2015 shares granted exclude phantom share-based awards. Including these shares, weighted average grant-date fair value was $5.69 per share.

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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=27013229&loc=d3e301413-122809 + 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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