Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Borrowings (Details Textual)

v3.3.1.900
Note 7 - Borrowings (Details Textual)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 28, 2015
USD ($)
Oct. 21, 2014
USD ($)
Sep. 27, 2005
USD ($)
Nov. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Jun. 30, 2015
USD ($)
Senior Notes [Member]                
Senior Notes     $ 200,000          
Debt Instrument, Term     10 years          
Term Loan [Member] | Maximum [Member]                
Line of Credit Facility, Maximum Borrowing Capacity   $ 50,000            
Term Loan [Member]                
Line of Credit Facility, Maximum Borrowing Capacity $ 35,000              
Proceeds from Issuance of Long-term Debt         $ 35,000      
Revolving Credit Facility [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Average Availability Option [Member]                
Debt Instrument, Basis Spread on Variable Rate 1.75%              
Revolving Credit Facility [Member] | Maximum [Member] | Additional Margin on Variable Rate Option [Member]                
Debt Instrument, Basis Spread on Variable Rate 0.75%              
Revolving Credit Facility [Member] | Maximum [Member]                
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.25%              
Revolving Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Average Availability Option [Member]                
Debt Instrument, Basis Spread on Variable Rate 1.50%              
Revolving Credit Facility [Member] | Minimum [Member] | Additional Margin on Variable Rate Option [Member]                
Debt Instrument, Basis Spread on Variable Rate 0.50%              
Revolving Credit Facility [Member] | Minimum [Member]                
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.15%              
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Average Availability Option B [Member]                
Debt Instrument, Basis Spread on Variable Rate 1.00%              
Revolving Credit Facility [Member] | Federal Funds Effective Swap Rate [Member] | Average Availability Option B [Member]                
Debt Instrument, Basis Spread on Variable Rate 0.50%              
Revolving Credit Facility [Member]                
Line of Credit Facility, Maximum Borrowing Capacity $ 115,000              
Proceeds from Issuance of Long-term Debt         40,000      
Line of Credit Facility, Interest Rate at Period End             1.9375%  
Debt Instrument, Covenant, Percentage of Total Revolving Credit 20.00%              
Long-term Debt             $ 40,000 $ 40,000
Letter of Credit [Member] | Maximum [Member]                
Line of Credit Facility, Interest Rate During Period 1.75%              
Letter of Credit [Member] | Minimum [Member]                
Line of Credit Facility, Interest Rate During Period 1.50%              
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Rent Adjusted Leverage Ratio Option [Member] | Term Loan [Member]                
Debt Instrument, Basis Spread on Variable Rate 2.25%              
Maximum [Member] | Additional Margin on Variable Rate Option [Member] | Term Loan [Member]                
Debt Instrument, Basis Spread on Variable Rate 1.25%              
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Rent Adjusted Leverage Ratio Option [Member] | Term Loan [Member]                
Debt Instrument, Basis Spread on Variable Rate 1.75%              
Minimum [Member] | Additional Margin on Variable Rate Option [Member] | Term Loan [Member]                
Debt Instrument, Basis Spread on Variable Rate 0.75%              
London Interbank Offered Rate (LIBOR) [Member] | Average Availability Option B [Member] | Term Loan [Member]                
Debt Instrument, Basis Spread on Variable Rate 1.00%              
Federal Funds Effective Swap Rate [Member] | Rent Adjusted Leverage Ratio Option [Member] | Term Loan [Member]                
Debt Instrument, Basis Spread on Variable Rate 0.50%              
Minimum Fixed Charge Coverage Ratio Thereafter [Member] | Term Loan [Member]                
Fixed Charge Coverage Ratio 1.1              
Minimum Fixed Charge Coverage Ratio for Covenant to Cease to Apply [Member] | Term Loan [Member]                
Fixed Charge Coverage Ratio 1.25              
Minimum Availability Needed to Avoid Re-Triggering Fixed Charge Coverage Ratio Covenant [Member] | Term Loan [Member]                
Debt Instrument, Covenant, Percentage of Total Revolving Credit 15.00%              
Term Loan [Member]                
Debt Instrument, Interest Rate, Effective Percentage             2.1875%  
Debt Instrument, Amortization Period 15 years              
Debt Covenant, Fixed Charge Coverage Ratio, Maximum Outstanding Term Loans $ 17,500              
Repayments of Debt       $ 16,500        
Long-term Debt       $ 17,300        
Letters of Credit Outstanding, Amount             $ 200 $ 200
Debt Instrument, Term   5 years            
Line of Credit Facility, Maximum Borrowing Capacity   $ 150,000            
Debt Issuance Cost         $ 1,500      
Fixed Charge Coverage Ratio           1.4    
Long-term Debt             $ 59,343  
Line of Credit Facility, Average Availability             65.00%  
Line of Credit Facility, Remaining Borrowing Capacity           $ 74,800