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Bank Loan (Details) (USD $)
9 Months Ended 4 Months Ended 4 Months Ended 9 Months Ended
Mar. 31, 2013
Dec. 01, 2012
Jun. 30, 2012
Mar. 31, 2013
Amendment Number 1
Revolving Credit Facility
Mar. 31, 2013
Amendment Number 1
Letter of Credit
Jan. 09, 2012
The Loan Agreement
Option One
Revolving Credit Facility
Mar. 02, 2009
The Loan Agreement
Option One
Revolving Credit Facility
Minimum
Mar. 02, 2009
The Loan Agreement
Option One
Revolving Credit Facility
Maximum
Jan. 09, 2012
The Loan Agreement
Option Two
Revolving Credit Facility
Mar. 02, 2009
The Loan Agreement
Option Two
Revolving Credit Facility
Minimum
Mar. 02, 2009
The Loan Agreement
Option Two
Revolving Credit Facility
Maximum
Mar. 31, 2013
Wells Fargo
New Loan Agreement
Revolving Credit Facility
Mar. 31, 2013
Wells Fargo
New Loan Agreement
Letter of Credit
Jan. 09, 2012
Wells Fargo
Amendment Number 1
Jan. 09, 2012
JP Morgan Chase
Amendment Number 1
Revolving Credit Facility
Line of Credit Facility                              
Maximum borrowing capacity                       $ 75,000,000 $ 20,000,000.0 $ 53,000,000 $ 22,000,000
Percentage of receivables eligible for advance                       85.00%      
Percentage of inventory eligible for advance                       75.00%      
Inventory loan limit                       60,000,000      
Description of variable rate basis           Prime     Adjusted Euro Dollar            
Basis spread on variable rate             0.25% 0.75%   2.00% 2.50%        
Amendment fee, percentage                       0.375%      
Unused line fee                       0.25%      
Current borrowing capacity       65,200,000                      
Amount borrowed       20,200,000.0 10,200,000.0                    
Loan extension fee amount       200,000.0                      
Remaining borrowing capacity       34,800,000.0                      
Long-term borrowings under revolving credit facility 10,000,000   0 10,000,000                      
Interest rate during period 1.35%                            
Notional amount of interest rate derivatives   $ 10,000,000                          
Fixed future interest rate effective due to swap   0.48%                          
Variable interest rate based on 1-month USD LIBOR-BBA 0.20%