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Income Taxes (Notes) | 12 Months Ended
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Sep. 30, 2019
Income Tax Disclosure [Abstract] |
Income Tax Disclosure [Text Block] | 10. INCOME TAXES Federal and state income tax provisions are as follows:
| Year Ended September 30,
| 2019 |  | 2018 |  | 2017
Federal: |  |  |  |  |
Current | $ | (1,330 | ) |  | $ | (2,345 | ) |  | $ | (3,092 | )
Deferred | 5,908 |  |  | 38,744 |  |  | 6,384 |
State: |  |  |  |  |
Current | 2,312 |  |  | 1,536 |  |  | 1,432 |
Deferred | (227 | ) |  | 216 |  |  | 487 |
Total provision for income taxes | $ | 6,663 |  |  | $ | 38,151 |  |  | $ | 5,211 |
Actual income tax expense differs from income tax expense computed by applying the U.S. federal statutory corporate rate to income (loss) before income taxes as follows:
| Year Ended September 30,
| 2019 |  | 2018 |  | 2017
Provision at the statutory rate (1) | $ | 8,430 |  |  | $ | 5,973 |  |  | $ | 6,582 |
Increase resulting from: |  |  |  |  |
Non-deductible expenses | 1,277 |  |  | 1,241 |  |  | 1,173 |
State income taxes, net of federal deduction | 2,009 |  |  | 1,193 |  |  | 1,003 |
Change in valuation allowance | — |  |  | 1,761 |  |  | 142 |
Rate change | — |  |  | 31,333 |  |  | — |
Other | — |  |  | 183 |  |  | 17 |
Decrease resulting from: |  |  |  |  |
Share-based compensation | (556 | ) |  | (238 | ) |  | (207 | )
Change in valuation allowance | (83 | ) |  | — |  |  | — |
Contingent tax liabilities | (3,967 | ) |  | (1,908 | ) |  | (3,499 | )
State deferred true up | — |  |  | (1,387 | ) |  | — |
Other | (447 | ) |  | — |  |  | — |
Total provision for income taxes | $ | 6,663 |  |  | $ | 38,151 |  |  | $ | 5,211 |
(1) A statutory rate of 21% was used in 2019, 24.53% in 2018 and 35% in 2017. The lower effective tax rate used in 2019 and 2018 is related to the enactment of Tax Cuts and Jobs Act enacted on December 22, 2017. Deferred income tax provisions result from temporary differences in the recognition of income and expenses for financial reporting purposes and for income tax purposes. The income tax effects of these temporary differences, representing deferred income tax assets and liabilities, result principally from the following:
| Year Ended September 30,
| 2019 |  | 2018
Deferred income tax assets: |  |  |
Allowance for doubtful accounts | $ | 245 |  |  | $ | 207 |
Accrued expenses | 9,783 |  |  | 8,054 |
Net operating loss carryforward | 39,045 |  |  | 46,881 |
Various reserves | 1,396 |  |  | 1,172 |
Equity losses in affiliate | 119 |  |  | 119 |
Share-based compensation | 672 |  |  | 665 |
Capital loss carryforward | 74 |  |  | 94 |
Other | 1,137 |  |  | 712 |
Subtotal | 52,471 |  |  | 57,904 |
Less valuation allowance | 4,044 |  |  | 4,127 |
Total deferred income tax assets | 48,427 |  |  | 53,777 |
Deferred income tax liabilities: |  |  |
Property and equipment | 840 |  |  | 1,122 |
Intangible assets | 5,978 |  |  | 5,499 |
Other | 735 |  |  | 576 |
Total deferred income tax liabilities | 7,553 |  |  | 7,197 |
Net deferred income tax assets | $ | 40,874 |  |  | $ | 46,580 |
In fiscal 2019 and 2018, the valuation allowance on our deferred tax assets decreased by $83 and increased by $1,761, respectively, which is included in “Provision (benefit) for income taxes” in our Consolidated Comprehensive Income Statement. As of September 30, 2019, we had available approximately $306,324 of federal net tax operating loss carry forward for federal income tax purposes, including $143,577 from net operating losses on which no tax benefit has been recognized and has not been recorded as a deferred tax asset. This carry forward, which may provide future tax benefits, will begin to expire in 2026. As of September 30, 2019, we had available approximately $94,007 state net tax operating loss carry forwards, including $8,722 from net operating losses on which no tax benefit has been recognized and has not been recorded as a deferred tax asset. The carry forwards, which may provide future tax benefits, will begin to expire in 2020. We have provided valuation allowances on all net operating losses where it is determined it is more likely than not that they will expire without being utilized. In assessing the realizability of deferred tax assets at September 30, 2019, we considered whether it was more likely than not that some portion or all of the deferred tax assets will not be realized. Our realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which these temporary differences become deductible. As a result, we have recorded a net deferred tax asset of $40,874 on our Consolidated Balance Sheets. We will continue to evaluate the appropriateness of our remaining deferred tax assets and need for valuation allowances on a quarterly basis. Further, any future reduction in the federal statutory tax rate could result in a charge to reduce the book value of the net deferred tax assets recorded on our Consolidated Balance Sheet. As a result of a 2006 reorganization and related adjustment to the book basis in goodwill, we have tax basis in excess of book basis in amortizable goodwill of approximately $23,050. The tax basis in amortizable goodwill in excess of book basis is not reflected as a deferred tax asset. To the extent the amortization of the excess tax basis results in a cash tax benefit, the benefit will first go to reduce goodwill, then other long-term intangible assets, and then tax expense. GAAP requires financial statement reporting of the expected future tax consequences of uncertain tax return reporting positions on the presumption that all relevant tax authorities possess full knowledge of those tax reporting positions, as well as all of the pertinent facts and circumstances, but it prohibits discounting of any of the related tax effects for the time value of money. The evaluation of a tax position is a two-step process. The first step is the recognition process to determine if it is more likely than not that a tax position will be sustained upon examination by the appropriate taxing authority, based on the technical merits of the position. The second step is a measurement process whereby a tax position that meets the more likely than not recognition threshold is calculated to determine the amount of benefit/expense to recognize in the financial statements. The tax position is measured at the largest amount of benefit/expense that is more likely than not of being realized upon ultimate settlement. A reconciliation of the beginning and ending balances of unrecognized tax benefit is as follows:
| Year Ended September 30,
| 2019 |  | 2018
Balance at beginning of period | $ | 30,256 |  |  | $ | 51,968 |
Additions for position related to current year | 93 |  |  | 13 |
Additions for positions of prior years | 19 |  |  | 272 |
Reduction resulting from the lapse of the applicable statutes of limitations | 4,074 |  |  | 3,361 |
Reduction resulting from rate change | — |  |  | 18,636 |
Balance at end of period | $ | 26,294 |  |  | $ | 30,256 |
As of September 30, 2019, and 2018, $26,294 and $30,256, respectively, of unrecognized tax benefits would result in a decrease in the provision for income tax expense. We anticipate that approximately $1,573 in liabilities for unrecognized tax benefits, including accrued interest, primarily from net operating losses on which no tax benefit has been recognized, may be reversed in the next twelve months. The reversal is predominately due to the expiration of the statutes of limitation for unrecognized tax benefits. We had approximately $43 and $35 accrued for the payment of interest and penalties at September 30, 2019, and 2018, respectively. We recognize interest and penalties related to unrecognized tax benefits as part of the provision for income taxes. The tax years ended September 30, 2017, and forward are subject to federal audit as are tax years prior to September 30, 2017, to the extent of unutilized net operating losses generated in those years. The tax years ended September 30, 2016, and forward are subject to state audits as are tax years prior to September 30, 2016, to the extent of unutilized net operating losses generated in those years.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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