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Income Taxes (Tables)

12 Months Ended

Sep. 30, 2017

Income Taxes [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

			Years Ended September 30,
			2017			2016			2015
Federal:
	Current		$	(3,092)		$	762		$	417
	Deferred			6,384			(97,093)			(564)
State:
	Current			1,432			952			729
	Deferred			487			(1,738)			79
			$	5,211		$	(97,117)		$	661

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

			Years Ended September 30,
			2017			2016			2015
Provision (benefit) at the statutory rate			$	6,582		$	8,316		$	6,139
Increase resulting from:
	Alternative minimum tax			-			-			417
	Non-deductible expenses			966			1,557			753
	Long-lived assets			-			-			69
	State income taxes, net of federal deduction			1,003			1,105			937
	Change in valuation allowance			142
	Contingent tax liabilities			-			-			51
	Other			17			-			54
Decrease resulting from:
	Change in valuation allowance			-			(108,987)			(7,034)
	Valuation allowance adjustment - acquisitions			-			-			(725)
	Contingent tax liabilities			(3,499)			(96)			-
	Other			-			988			-
			$	5,211		$	(97,117)		$	661

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

				Years Ended September 30,
				2017			2016
Deferred income tax assets:
	Allowance for doubtful accounts			$	243		$	280
	Accrued expenses				12,915			10,729
	Net operating loss carryforward				77,497			86,280
	Various reserves				1,807			1,410
	Equity losses in affiliate				82			84
	Share-based compensation				1,570			1,012
	Capital loss carryforward				337			338
	Other				3,195			3,185
Subtotal					97,646			103,318
Less valuation allowance					2,366			2,224
Total deferred income tax assets				$	95,280		$	101,094
Deferred income tax liabilities:
	Property and equipment			$	2,019		$	1,517
	Intangible assets				6,548			5,629
	Other				502			399
Total deferred income tax liabilities					9,069			7,545
Net deferred income tax assets				$	86,211		$	93,549

Schedule Of Unrecognized Tax Benefits Roll Forward Table[Text Block]

	Years Ended September 30,
	2017			2016
Balance at October 1,	$	55,867		$	55,963
Additions for position related to current year		207			-
Additions for positions of prior years		-			-
Reduction resulting from the lapse of the applicable statutes of limitations		3,707			27
Reduction resulting from positions of prior years		399			69
Reduction resulting from settlement of positions of prior years		-			-
Balance at September 30,	$	51,968		$	55,867

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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-Topic 740
-SubTopic 10
-Section 50
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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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Tabular disclosure of the change in unrecognized tax benefits.

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-SubTopic 10
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