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STOCKHOLDERS' EQUITY AND EQUITY COMPENSATION (Tables) | 12 Months Ended
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Sep. 30, 2018
Stockholders' Equity Note [Abstract] |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan | The following table summarizes the Company’s compensation expense relating to all stock-based incentive plans:
| For the Years Ended September 30,
| 2018 |  | 2017 |  | 2016
Pre-tax compensation expense | $ | 10,078 |  |  | $ | 8,090 |  |  | $ | 10,136 |
Tax benefit | (2,469 | ) |  | (2,836 | ) |  | (3,553 | )
Total stock-based compensation expense, net of tax | $ | 7,609 |  |  | $ | 5,254 |  |  | $ | 6,583 |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity | A summary of restricted stock activity, inclusive of restricted stock units, for the year ended September 30, 2018, is as follows:
| Shares |  | Weighted Average Grant- Date Fair Value
Unvested at September 30, 2017 | 2,255,796 |  |  | $ | 13.65 |
Granted | 1,343,929 |  |  | 17.30 |
Vested | (536,958 | ) |  | 20.89 |
Forfeited | (212,939 | ) |  | 20.91 |
Unvested at September 30, 2018 | 2,849,828 |  |  | 14.89 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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=109197908&loc=d3e5070-113901 + 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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