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Note 9 - Long-Term Debt (Detail) (USD $)
 0 Months Ended 1 Months Ended 3 Months Ended 9 Months Ended
Feb. 06, 2012
Dec. 12, 2011
Jun. 30, 2012
Nov. 19, 2010
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Feb. 05, 2012
Oct. 01, 2011
Line of Credit Facility, Maximum Borrowing Capacity $ 100,000,000               $ 75,000,000  
Line of Credit Facility, Expiration Date Jun. 02, 2016                  
Line of Credit Facility, Current Borrowing Capacity     100,000,000   100,000,000   100,000,000      
Line of Credit Facility, Remaining Borrowing Capacity     67,200,000   67,200,000   67,200,000      
Line of Credit Facility, Interest Rate Description     Interest rates on the Credit Facility are based upon (1) an index rate that is established at the highest of the prime rate, 0.50% plus the federal funds rate or the LIBOR rate plus the excess of the then-applicable margin for LIBOR loans over the then-applicable margin for index rate loans, or (2) at the election of the Company, a LIBOR rate, plus in either case, an applicable interest rate margin              
Debt Instrument, Interest Rate Increase     0.0200              
Line of Credit Facility, Covenant Terms     The Company is required to maintain a fixed charge coverage ratio of not less than 1.10 at the end of each fiscal quarter for the twelve-month period then ended when the amount of liquidity on the Credit Facility is less than $13.5 million              
Line of Credit Facility, Covenant Compliance         As of June 30, 2012, the Company was in compliance with all of the financial and negative covenants under the Credit Facility and there have not been any events of default          
Amortization of Financing Costs         25,000 20,000 70,000 61,000    
Accumulated Amortization, Deferred Finance Costs     4,100,000   4,100,000   4,100,000     4,100,000
Debt Instrument, Face Amount       13,500,000            
Debt Instrument, Maturity Date       Dec. 31, 2008            
Debt Instrument, Interest Rate, Stated Percentage       6.00%            
Early Repayment of Subordinated Debt   12,400,000                
Gains (Losses) on Extinguishment of Debt             425,000      
Minimum [Member] | Index Rate Loans [Member]
                    
Debt Instrument, Basis Spread on Variable Rate     0.50%   0.50%   0.50%      
Minimum [Member] | LIBOR Loans [Member]
                    
Debt Instrument, Basis Spread on Variable Rate     1.50%   1.50%   1.50%      
Maximum [Member] | Index Rate Loans [Member]
                    
Debt Instrument, Basis Spread on Variable Rate     1.25%   1.25%   1.25%      
Maximum [Member] | LIBOR Loans [Member]
                    
Debt Instrument, Basis Spread on Variable Rate     2.50%   2.50%   2.50%      
Index Rate Loans [Member]
                    
Line of Credit Facility, Interest Rate at Period End     0.50%   0.50%   0.50%      
LIBOR Loans [Member]
                    
Line of Credit Facility, Interest Rate at Period End     1.50%   1.50%   1.50%      
Revolving Credit Facility [Member]
                    
Line of Credit Facility, Amount Outstanding     18,600,000   18,600,000   18,600,000      
Letter of Credit [Member]
                    
Letters of Credit Outstanding, Amount     $ 1,300,000   $ 1,300,000   $ 1,300,000