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Financing - Narrative (Details) - USD ($)
9 Months Ended
Mar. 31, 2022
Dec. 30, 2020
Aug. 24, 2017
Mar. 31, 2022
Mar. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Dec. 29, 2020
Jun. 30, 2017
Line of Credit Facility [Line Items]                  
Long-term debt $ 119,781,000     $ 119,781,000   $ 143,275,000      
Term loans 95,438,000     95,438,000   99,375,000      
Revolving credit loan 25,000,000     25,000,000   45,000,000      
Current maturities of long-term obligations 73,406,000     73,406,000   4,250,000      
Debt issuance costs 657,000     657,000   $ 1,100,000      
Repayments of debt       20,000,000 $ 8,800,000        
Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Maximum borrowing capacity 170,000,000 $ 170,000,000   170,000,000       $ 120,000,000  
Increase in maximum borrowing capacity   50,000,000              
Credit Agreement                  
Line of Credit Facility [Line Items]                  
Long-term debt 95,438,000     95,438,000          
Outstanding letters of credit 1,310,000     1,310,000          
Purchase of stock (up to)       3,000,000          
Share repurchase (up to)       $ 35,000,000          
Period of permitted share repurchases (in years)       1 year          
Dividend and distributions (up to)       $ 10,000,000          
Deferred finance costs                 $ 2,074,000
Debt issuance costs             $ 671,000    
Credit Agreement | Long-term Debt                  
Line of Credit Facility [Line Items]                  
Debt instrument, periodic payment 3,000,000                
Repayments of debt     $ 50,000,000            
Credit Agreement | Revolving Credit Facility                  
Line of Credit Facility [Line Items]                  
Revolving credit loan 25,000,000     25,000,000          
Available borrowing capacity $ 143,690,000     $ 143,690,000          
Stated interest rate (as a percent) 1.70%     1.70%          
Credit Agreement | Revolving Credit Facility | Minimum                  
Line of Credit Facility [Line Items]                  
Line of credit facility, unused capacity, commitment fee rate (as a percent)       0.20%          
Credit Agreement | Revolving Credit Facility | Maximum                  
Line of Credit Facility [Line Items]                  
Line of credit facility, unused capacity, commitment fee rate (as a percent)       0.40%          
Credit Agreement | Revolving Credit Facility | Federal Funds                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate (as a percent)       0.50%          
Credit Agreement | Revolving Credit Facility | Base Rate                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate (as a percent)       1.00%          
Credit Agreement | Revolving Credit Facility | Base Rate | Minimum                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate (as a percent)       0.25%          
Credit Agreement | Revolving Credit Facility | Base Rate | Maximum                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate (as a percent)       1.25%          
Credit Agreement | Revolving Credit Facility | LIBOR | Minimum                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate (as a percent)       1.25%          
Credit Agreement | Revolving Credit Facility | LIBOR | Maximum                  
Line of Credit Facility [Line Items]                  
Debt instrument, basis spread on variable rate (as a percent)       2.25%          
Third Amendment                  
Line of Credit Facility [Line Items]                  
Deferred finance costs         638,000        
Incremental Term Loan | Secured Debt                  
Line of Credit Facility [Line Items]                  
Term loans $ 23,438,000 $ 25,000,000   $ 23,438,000 $ 25,000,000        
Current maturities of long-term obligations $ 1,406,000     $ 1,406,000          
Incremental Term Loan | Secured Debt | Interest Rate through December 31, 2022                  
Line of Credit Facility [Line Items]                  
Stated interest rate (as a percent)   5.00%     5.00%        
Incremental Term Loan | Secured Debt | Interest Rate from January 1, 2023 through June 30, 2024                  
Line of Credit Facility [Line Items]                  
Stated interest rate (as a percent) 7.50% 7.50%   7.50%          
Existing Term Loans | Secured Debt                  
Line of Credit Facility [Line Items]                  
Term loans $ 72,000,000 $ 75,000,000   $ 72,000,000