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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)
12 Months Ended
Jul. 17, 2017
USD ($)
Jun. 27, 2021
USD ($)
board_member
segment
Jun. 28, 2020
USD ($)
Jun. 30, 2019
USD ($)
Basis of Presentation and Changes in Significant Accounting Policies [Line Items]        
Prior period reclassification adjustment   $ 0    
Number of reportable segments | segment   1    
Other-than-temporary impairment losses on investments     $ 0 $ 0
Advertising costs   $ 5,100,000 3,800,000 3,700,000
Cash paid for interest   14,100,000 5,900,000 4,000,000.0
Cash paid for income taxes, net of refunds received   $ 11,000,000.0 $ 3,600,000 $ 500,000
Cree Venture LED        
Basis of Presentation and Changes in Significant Accounting Policies [Line Items]        
Payments to acquire interest in joint venture $ 5,100,000      
Ownership interest by parent (as a percent) 51.00%      
Number of directors | board_member   5    
Number of directors appointed by company | board_member   3    
San'an Optoelectronics Co., Ltd. | Cree Venture LED        
Basis of Presentation and Changes in Significant Accounting Policies [Line Items]        
Proceeds from noncontrolling interests $ 4,900,000      
Ownership interest by noncontrolling owners (as a percent) 49.00%      
Number of directors appointed by company | board_member   2    
Minimum        
Basis of Presentation and Changes in Significant Accounting Policies [Line Items]        
Useful life of finite-lived intangible assets   4 years    
Number of renewal options | segment   1    
Renewal term of leases (in years)   1 year    
Maximum        
Basis of Presentation and Changes in Significant Accounting Policies [Line Items]        
Useful life of finite-lived intangible assets   15 years    
Renewal term of leases (in years)   5 years    
Patents | Maximum        
Basis of Presentation and Changes in Significant Accounting Policies [Line Items]        
Useful life of finite-lived intangible assets   20 years