Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Borrowings (Details Textual)

v3.3.0.814
Note 7 - Borrowings (Details Textual)
$ in Millions
1 Months Ended 3 Months Ended
Jan. 28, 2015
USD ($)
Oct. 21, 2014
USD ($)
Sep. 27, 2005
USD ($)
Mar. 31, 2015
USD ($)
Sep. 30, 2015
USD ($)
Senior Notes [Member]          
Senior Notes     $ 200.0    
Debt Instrument, Term     10 years    
Term Loan [Member] | Maximum [Member]          
Line of Credit Facility, Maximum Borrowing Capacity   $ 50.0      
Term Loan [Member]          
Line of Credit Facility, Maximum Borrowing Capacity $ 35.0        
Proceeds from Issuance of Long-term Debt       $ 35.0  
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 $ 115.0        
Proceeds from Issuance of Long-term Debt       40.0  
Debt Instrument, Covenant, Percentage of Total Revolving Credit 20.00%        
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 for Year One [Member] | Term Loan [Member]          
Fixed Charge Coverage Ratio 1        
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         2.00%
Debt Instrument, Amortization Period 15 years        
Debt Covenant, Fixed Charge Coverage Ratio, Maximum Outstanding Term Loans $ 17.5        
Debt Instrument, Term   5 years      
Line of Credit Facility, Maximum Borrowing Capacity   $ 150.0      
Debt Issuance Cost       $ 1.5  
Fixed Charge Coverage Ratio         1.4
Line of Credit Facility, Average Availability         65.00%
Letters of Credit Outstanding, Amount         $ 0.2
Line of Credit Facility, Remaining Borrowing Capacity         $ 74.8