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Summary of Significant Accounting Policies (Details) - USD ($)
12 Months Ended
Jun. 27, 2021
Jun. 28, 2020
Jun. 30, 2019
Property, Plant and Equipment [Line Items]      
Impairments of goodwill $ 0 $ 0 $ 0
Impairment loss on long-lived assets $ 0 0 0
Impairment of investments   $ 0 $ 0
Equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 3 years    
Equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 5 years    
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 5 years    
Software | Minimum      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 3 years    
Software | Maximum      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 5 years    
Buildings      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 25 years