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Commitments and Contingencies (Details Textual) - USD ($)
 6 Months Ended 12 Months Ended
Apr. 02, 2015
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Commitments And Contingencies [Line Items]        
Patron Tax Rate Per Customer   5    
Litigation Settlement, Expense   $ 11,684,000 $ 3,696,000 $ 707,000
Payments for Legal Settlements   11,500,000 3,700,000 707,000
Texas patron tax [Member]        
Commitments And Contingencies [Line Items]        
Loss Contingency, Damages Sought, Value   10,000,000    
Monthly Installment Of Settlement Loss   $ 119,000    
Patron Tax Rate Per Customer   5    
Settlement With Imputed Interest Discount   9.60%    
Net Present Value For The Settlement   $ 7,200,000    
Pre Tax Gain For Previously Accrued For Tax   8,200,000    
New York Settlement [Member]        
Commitments And Contingencies [Line Items]        
Accrued Liabilities   2,400,000    
Loss Contingency, Range of Possible Loss, Maximum $ 15,000,000      
Loss Contingency Accrual, Payments $ 1,833,333      
Loss Contingency Expense   11,100,000    
Accrued Entertainers Fees   5,600,000    
Accrued Liabilities and Other Liabilities, Total   4,200,000    
Other Liabilities   1,800,000    
Accrued Professional Fees   $ 5,500,000    
Indemnity Insurance Corporation [Member]        
Commitments And Contingencies [Line Items]        
Percentage of Costs of Litigation   100.00%    
Other Litigation [Member]        
Commitments And Contingencies [Line Items]        
Litigation Settlement, Expense   $ 2,000,000    
Lease Agreements [Member]        
Commitments And Contingencies [Line Items]        
Payments for Rent   $ 4,500,000 $ 4,800,000 $ 3,600,000