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Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Restricted Cash $ 500 $ 500  
Gain (Loss) on Investments 0 0  
Inventory Valuation Reserves 1,796 1,937  
Asset, Held-for-Sale, Not Part of Disposal Group 0    
Contract with Customer, Liability 73,500 77,800  
Contract with Customer, Liability, Revenue Recognized 76,100    
Employee-related Liabilities 1,500 2,400  
Contract with Customer, Asset, after Allowance for Credit Loss, Current 11,500 12,300  
Advertising Expense 16,400 17,200 $ 15,600
Interest Expense, Operating and Nonoperating 7,400 4,400 $ 200
Letter of Credit Issued for Workers Compensation Obligation [Member]      
Letters of Credit Outstanding, Amount $ 3,900 $ 4,200  
Building and Building Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life 20 years    
Building and Building Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life 40 years    
Machinery and Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life 3 years    
Machinery and Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life 20 years    
Software and Software Development Costs [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life 3 years    
Software and Software Development Costs [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life 5 years