Annual report pursuant to Section 13 and 15(d)

Receivables (Narrative) (Details)

v3.2.0.727
Receivables (Narrative) (Details)
 12 Months Ended
Sep. 23, 2015
USD ($)
Sep. 27, 2013
USD ($)
Jun. 30, 2015
USD ($)
loan
class
Jun. 30, 2014
USD ($)
loan
Jul. 23, 2015
USD ($)
Jun. 09, 2015
USD ($)
Apr. 01, 2015
USD ($)
Jan. 23, 2015
USD ($)
Oct. 09, 2014
USD ($)
Jul. 02, 2014
USD ($)
Jun. 18, 2014
USD ($)
Jun. 05, 2014
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Loans receivable average effective rate of interest (percentage)     8.50% 7.90%                
Short term loan receivable     $ 0 $ 2,600,000   $ 4,100,000 $ 2,400,000 $ 3,100,000   $ 3,700,000   $ 3,800,000
Option to extend maturity     180 days                  
Rate of interest (percentage)       5.50%                
Line of credit, maximum borrowing capacity     $ 0           $ 16,000,000.0      
Classes of receivables | class     3                  
Loans receivable payment terms for interest     30 days                  
Delinquent period     30 days                  
Loan receivable liquidation period post default     90 days                  
Number of loans | loan     1 0                
Minimum                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Credit quality indicator Loan-to-value threshold percentage     75.00%                  
Collateral Finance Corporation                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Short term loan receivable   $ 12,800,000 $ 2,100,000                  
Payments to acquire loans receivable   $ 400,000                    
Stack Bowers Galleries                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Short term loan receivable     0               $ 2,600,000  
Rate of interest (percentage)                     5.50%  
Collateral Finance Corporation                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Short term loan receivable       $ 5,800,000                
Premium on receivable     100,000 300,000                
Rights Assumed for Portfolio on January Twenty Third Twenty Fifteen [Member] | Collateral Finance Corporation                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Short term loan receivable     2,500,000                  
Rights Assumed for Portfolio on July 1, 2014 | Collateral Finance Corporation                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Short term loan receivable     1,600,000                  
Rights Assumed for Portfolio on April First Twenty Fifteen [Member] | Collateral Finance Corporation                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Short term loan receivable     2,100,000                  
Rights Assumed for Portfolio on June Nine Twenty Fifteen [Member] | Collateral Finance Corporation                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Short term loan receivable     3,900,000                  
Collateral Finance Corporation | Rights Assumed for Portfolio on June 5, 2014                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Short term loan receivable     $ 900,000 $ 3,800,000                
Line of Credit | Stack Bowers Galleries                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Line of credit, maximum borrowing capacity                 $ 16,000,000.0      
Subsequent Event | Line of Credit | Stack Bowers Galleries                        
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Line of credit, maximum borrowing capacity         $ 2,500,000.0              
Repayments of secured debt $ 1,800,000