XML 81 R66.htm IDEA: XBRL DOCUMENT v3.7.0.1
Bank Loan (Details) - USD ($)
9 Months Ended
Mar. 31, 2017
Jun. 30, 2016
Line of Credit Facility    
Line of credit, additional borrowing capacity $ 50,000,000  
Line of credit, expiration date Mar. 02, 2020  
Short-term borrowings under revolving credit facility $ 44,175,000 $ 109,000
Minimum    
Line of Credit Facility    
Line of credit, commitment fee percent 0.25%  
Maximum    
Line of Credit Facility    
Line of credit, commitment fee percent 0.375%  
Revolving Credit Facility    
Line of Credit Facility    
Line of credit, current borrowing capacity $ 61,700,000  
Line of credit, remaining borrowing capacity $ 13,100,000  
Debt, weighted average interest rate 2.52%  
Letter of Credit    
Line of Credit Facility    
Long-term borrowings under revolving credit facility $ 4,400,000  
JPM Chase Loan Agreement | Option One | Revolving Credit Facility    
Line of Credit Facility    
Description of variable rate basis Prime Rate  
JPM Chase Loan Agreement | Option One | Revolving Credit Facility | Minimum    
Line of Credit Facility    
Basis spread on variable rate (0.25%)  
JPM Chase Loan Agreement | Option One | Revolving Credit Facility | Maximum    
Line of Credit Facility    
Basis spread on variable rate 0.50%  
JPM Chase Loan Agreement | Option Two | Revolving Credit Facility    
Line of Credit Facility    
Description of variable rate basis LIBOR Rate  
JPM Chase Loan Agreement | Option Two | Revolving Credit Facility | Minimum    
Line of Credit Facility    
Basis spread on variable rate 1.25%  
JPM Chase Loan Agreement | Option Two | Revolving Credit Facility | Maximum    
Line of Credit Facility    
Basis spread on variable rate 2.00%  
JP Morgan and SunTrust | JPM Chase Loan Agreement | Revolving Credit Facility    
Line of Credit Facility    
Line of credit, maximum borrowing capacity $ 75,000,000.0  
JP Morgan and SunTrust | JPM Chase Loan Agreement | Letter of Credit    
Line of Credit Facility    
Line of credit, maximum borrowing capacity 30,000,000  
JP Morgan Chase | JPM Chase Loan Agreement | Swing Line Loans    
Line of Credit Facility    
Line of credit, maximum borrowing capacity $ 15,000,000  
Prime Rate | Minimum    
Line of Credit Facility    
Line of credit, description of interest rate PRIME - 0.25%  
Prime Rate | Maximum    
Line of Credit Facility    
Line of credit, description of interest rate PRIME + 0.50%  
London Interbank Offered Rate (LIBOR) | Minimum    
Line of Credit Facility    
Line of credit, description of interest rate Adjusted LIBO Rate + 1.25%  
London Interbank Offered Rate (LIBOR) | Maximum    
Line of Credit Facility    
Line of credit, description of interest rate Adjusted LIBO Rate + 2.00%