Income Taxes (Notes)	9 Months Ended
Income Taxes (Notes)	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company’s income tax expense for the three and nine months ended June 30, 2020 was $0.2 million and $8.9 million compared to $1.5 million and $6.0 million in the prior year periods. The effective tax rate was 1.9% and 19.3% for the three and nine months ended June 30, 2020 compared to 17.9% and 20.3% in the prior year periods. The effective tax rate for the three and nine months ended June 30, 2020 includes a tax benefit of $2.3 million related to the net operating loss (NOL) carryback provisions of the recently enacted Coronavirus Aid, Relief, and Economic Security Act (CARES Act), which allows the Company to carryback a portion of its 2018 NOL. The carryback provisions result in the recognition of previously unrecognized tax benefits and the revaluation of deferred tax assets due to the utilization of NOLs at a higher tax rate in the carryback period. The Company's effective tax rate for all periods includes an expense for state income taxes and nondeductible expenses and a benefit related to noncontrolling interests. At June 30, 2020, the Company had deferred tax assets, net of deferred tax liabilities, of $3.2 million. The deferred tax assets were offset by a valuation allowance of $3.3 million, resulting in a net deferred tax liability of $0.1 million, which is included in accrued expenses and other liabilities on its consolidated balance sheets. At September 30, 2019, deferred tax assets, net of deferred tax liabilities, were $20.7 million, partially offset by a valuation allowance of $3.3 million. The valuation allowance for both periods was recorded because it is more likely than not that a portion of the Company's state deferred tax assets, primarily NOL carryforwards, will not be realized because the Company is no longer operating in some states or the NOL carryforward periods are too brief to realize the related deferred tax asset. The Company will continue to evaluate both the positive and negative evidence in determining the need for a valuation allowance on its deferred tax assets. Any reversal of the valuation allowance in future periods will impact the effective tax rate. The Company had no unrecognized tax benefits at June 30, 2020 as a result of the recognition of $1.6 million of previously unrecognized tax benefits during the three months ended June 30, 2020. All of the $1.6 million of recognized tax benefits affected the Company’s effective tax rate and was attributable to the NOL carryback provisions of the CARES Act allowing previously uncertain tax attributes to be recognized.

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.