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Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Income Taxes [Line Items]    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate 35.00%  
Operating Loss Carryforwards $ 439,029  
Reorganization Of Goodwill Excess Tax Basis 24,190  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound 6  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 18 $ 6
Deferred Tax Assets, Net 2,228 1,957
Deferred Tax Liabilities Net 697  
Uncertain Tax Benefit Net Opertating Loss From Goodwill 50,581 $ 50,759
Change In Valuation Allowance [Line Items]    
Change In Valuation Allowance 10,667  
Internal Revenue Service (IRS) [Member]    
Income Taxes [Line Items]    
Cash Tax Reduction Attributable To Additional Goodwill Amortization 11,487  
Operating Loss Carryforwards Attributable To Additional Goodwill Amortization $ 142,052  
Tax Credit Carryforward, Limitations on Use The annual limitation under Section 382 on the utilization of federal net operating losses was approximately $20,000 for the first five tax years subsequent to the change in ownership and $16,000 thereafter.  
Carryforward Amount Excluded From Limitations on Use $ 295,318  
Valuation Allowance, Deferred Tax Asset, Change in Amount 106,530  
DeferredTaxAssetOffsetByDeferredTaxLiability 777  
State and Local Jurisdiction [Member]    
Income Taxes [Line Items]    
Operating Loss Carryforwards Attributable To Additional Goodwill Amortization 12,320  
Operating Loss Carryforwards 101,515  
Valuation Allowance, Deferred Tax Asset, Change in Amount 4,681  
DeferredTaxAssetOffsetByDeferredTaxLiability 135  
Deferred Tax Assets, Net 899  
Change Resulting From Current Earnings [Member]    
Change In Valuation Allowance [Line Items]    
Change In Valuation Allowance 7,034  
Change Resulting From Expiration of Capital Losses [Member]    
Change In Valuation Allowance [Line Items]    
Change In Valuation Allowance 3,641  
Chnages Resulting From Acquired Deferred Tax Liabilities [Member]    
Change In Valuation Allowance [Line Items]    
Change In Valuation Allowance 725  
Change Resulting From Other [Member]    
Change In Valuation Allowance [Line Items]    
Change In Valuation Allowance $ 733