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INCOME TAXES (Narrative) (Details) (USD $)
3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Abstract]    
Tax liability increase (decrease) for uncertain tax positions $ 0dwch_TaxLiabilityIncreaseDecreaseForUncertainTaxPositions  
Potential cash payment for tax liability 300,000dwch_PotentialCashPaymentForTaxLiability  
Tax expense (benefit) $ (2,568,000)us-gaap_IncomeTaxExpenseBenefit $ 0us-gaap_IncomeTaxExpenseBenefit