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Revenue Recognition and Contracts with Customers - Additional Information (Details) - USD ($)
12 Months Ended
Jul. 01, 2018
Jun. 30, 2019
Jun. 30, 2018
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets $ 719,000    
New Accounting Pronouncement or Change in Accounting Principle Income Tax Expense Benefit 191,000    
New Accounting Pronouncement or Change in Accounting Principle Effect of Change In Other Assets 716,000 $ 820,000  
New Accounting Pronouncement or Change in Accounting Principle Effect of Change on Receivables   $ 3,524,000  
New Accounting Pronouncement or Change in Accounting Principle Effect of Change on Refund Liabilities $ 1,627,000    
Sales Revenue, Product Line [Member]      
Concentration Risk, Percentage   8.00%  
Sales Returns and Allowances [Member]      
Concentration Risk, Percentage     7.00%