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Financing (Long-Term Debt Narratives) (Details) - USD ($)
3 Months Ended 9 Months Ended
Oct. 28, 2016
Aug. 04, 2016
Jul. 01, 2015
Apr. 02, 2015
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Jun. 30, 2016
Line of Credit Facility [Line Items]                  
Long-term Debt         $ 55,152,000   $ 55,152,000   $ 71,086,000
Credit agreement distributions allowable, amount             2,000,000    
Amount available for dividend distribution without affecting capital adequacy requirements         6,000,000   6,000,000    
Principal payments on long-term borrowings $ 1,117,000 $ 15,000,000         16,117,000 $ 4,500,000  
Derivative, term of contract     5 years            
Fixed quarterly interest rate     152.00%            
Derivative notional amount     $ 39,250,000            
Outstanding balance, percent     50.00%            
Derivative, gain on derivative         116,000   941,000    
Derivative, loss on derivative           $ 510,000   $ 685,000  
Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Maximum borrowing capacity         25,000,000   25,000,000    
Amount outstanding         0   0    
Term Loan                  
Line of Credit Facility [Line Items]                  
Long-term Debt       $ 80,000,000          
Letter of Credit                  
Line of Credit Facility [Line Items]                  
Maximum borrowing capacity         5,000,000   5,000,000    
Amount outstanding         100,000   100,000    
Swing Line of Credit                  
Line of Credit Facility [Line Items]                  
Maximum borrowing capacity         5,000,000   5,000,000    
Amount outstanding         $ 0   $ 0    
Long-term Debt                  
Line of Credit Facility [Line Items]                  
Long-term debt, weighted average interest rate         3.06%   3.06%    
London Interbank Offered Rate (LIBOR) | Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate       100.00%          
Base Rate | Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate       50.00%          
Minimum | Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Line of credit facility, unused capacity, commitment fee percentage       25.00%          
Minimum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate       200.00%          
Minimum | Base Rate | Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate       100.00%          
Maximum | Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Line of credit facility, unused capacity, commitment fee percentage       40.00%          
Maximum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate       275.00%          
Maximum | Base Rate | Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate       175.00%          
Debt Instrument, Redemption, Period One | Long-term Debt                  
Line of Credit Facility [Line Items]                  
Debt instrument, periodic payment       $ 1,500,000          
Debt Instrument, Redemption, Period Two | Long-term Debt                  
Line of Credit Facility [Line Items]                  
Debt instrument, periodic payment       2,000,000          
Debt Instrument, Redemption, Period Three | Long-term Debt                  
Line of Credit Facility [Line Items]                  
Debt instrument, periodic payment       2,500,000          
U.S. Segment                  
Line of Credit Facility [Line Items]                  
Deferred finance costs       $ 1,224,000          
Class A Common Stock                  
Line of Credit Facility [Line Items]                  
Stock repurchase program, authorized amount         $ 15,000,000   $ 15,000,000    
Interest Rate Swap                  
Line of Credit Facility [Line Items]                  
Derivative Asset         $ 78,000   $ 78,000    
Interest rate swap not designated as cash flow hedge                 $ 863,000