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Short-Term Borrowings and Long-Term Debt (Narrative) (Details)
12 Months Ended
Jun. 30, 2016
GBP (£)
quarter
Jun. 30, 2016
USD ($)
quarter
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2016
EUR (€)
Jun. 30, 2015
EUR (€)
Revolving credit facility, amount outstanding     $ 0 $ 71,427,000    
Debt issuance costs       700,000    
Industrial Development Revenue Bond [Member]            
Percentage spread points on variable rate debt instrument 0.85% 0.85%        
Maturity date of debt instrument Sep. 01, 2032 Sep. 01, 2032        
Maximum time period of interest (in years) 10 years 10 years        
Debt instrument, exercisable option limitation, period 180 days 180 days        
Debt instrument, anniversary, options exercisable, period 5 years 5 years        
Debt instrument, redemption price, percentage 100.00% 100.00%        
Long-term debt     $ 5,400,000 $ 5,400,000    
Variable interest rate of debt 1.32%   1.03% 1.32% 1.32% 1.03%
Multi-Currency Invoice Discounting Credit Facility [Member]            
Line of credit facility, maximum borrowing capacity, percentage 85.00%     85.00% 85.00%  
Borrowing capacity under credit facility £ 4,150,000     $ 100,000 € 250,000  
Percentage spread points on variable rate debt instrument 1.85% 1.85%        
Commitment fee amount | £ £ 100,000          
Multi-Currency Revolving Credit Facility [Member]            
Borrowing capacity under credit facility       $ 300,000,000    
Maturity of credit facility Nov. 06, 2018 Nov. 06, 2018        
Debt instrument, covenant requirement, leverage ratio, EBITDA, number of quarters in measurement period | quarter 4 4        
Line of credit facility, unused capacity, commitment fee percentage 0.175% 0.175%        
Percentage of capital stock or other equity interest pledged per credit agreement 65.00%     65.00% 65.00%  
Revolving credit facility, amount outstanding     $ 0 $ 71,400,000    
Average daily balance on revolving credit facility   $ 86,600,000 1,600,000      
Amount available for additional borrowings     300,000,000 228,200,000    
Letters of credit outstanding | €         € 400,000 € 0
Multi-Currency Revolving Credit Facility [Member] | Minimum [Member]            
Line of credit facility, unused capacity, commitment fee percentage 0.175% 0.175%        
Multi-Currency Revolving Credit Facility [Member] | Maximum [Member]            
Line of credit facility, unused capacity, commitment fee percentage 0.40% 0.40%        
Letter of Credit [Member]            
Borrowing capacity under credit facility       50,000,000    
Multi-Currency Revolving Credit Facility, Accordion Feature [Member]            
Borrowing capacity under credit facility       150,000,000    
Multi-Currency Revolving Credit Facility, Combined with Accordion Feature [Member]            
Borrowing capacity under credit facility       $ 450,000,000    
London Interbank Offered Rate (LIBOR) [Member] | Multi-Currency Revolving Credit Facility [Member]            
Percentage spread points on variable rate debt instrument 1.00% 1.00%        
London Interbank Offered Rate (LIBOR) [Member] | Multi-Currency Revolving Credit Facility [Member] | Minimum [Member]            
Percentage spread points on variable rate debt instrument 1.00% 1.00%        
London Interbank Offered Rate (LIBOR) [Member] | Multi-Currency Revolving Credit Facility [Member] | Maximum [Member]            
Percentage spread points on variable rate debt instrument 2.25% 2.25%        
Alternate Base Rate Loans [Member] | Multi-Currency Revolving Credit Facility [Member]            
Percentage spread points on variable rate debt instrument 0.00% 0.00%        
Alternate Base Rate Loans [Member] | Multi-Currency Revolving Credit Facility [Member] | Minimum [Member]            
Percentage spread points on variable rate debt instrument 0.00% 0.00%        
Alternate Base Rate Loans [Member] | Multi-Currency Revolving Credit Facility [Member] | Maximum [Member]            
Percentage spread points on variable rate debt instrument 1.25% 1.25%        
Network1 Term Loan, Banco Safra [Member]            
Maturity date of debt instrument Sep. 21, 2015 Sep. 21, 2015        
Interest rate percentage 3.60%     3.60% 3.60%  
Network1 Term Loan, Banco do Bradesco [Member]            
Maturity date of debt instrument May 09, 2016 May 09, 2016        
Interest rate percentage 11.48%     11.48% 11.48%  
Long-term debt, current maturities     1,800,000 $ 0    
Network1 Term Loan, Banco do Brasil [Member]            
Maturity date of debt instrument Oct. 28, 2017 Oct. 28, 2017        
Long-term debt     900,000 $ 0    
Interest rate percentage 12.08%     12.08% 12.08%  
Long-term debt, current maturities     400,000      
Currency Swap [Member] | Network1 Term Loan, Banco Safra [Member] | CDI rate [Member]            
Percentage spread points on variable rate debt instrument 2.75% 2.75%        
Variable interest rate of debt 13.60%     13.60% 13.60%  
Network1 [Member] | Network1 Term Loan, Banco Safra [Member]            
Long-term debt, current maturities     $ 700,000 $ 0