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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 29, 2024
Jun. 24, 2023
Jun. 25, 2022
Jun. 26, 2021
Income Tax Disclosure [Line Items]        
Net deferred tax assets $ 317.7 $ 28.9    
Valuation allowance 92.4 78.4    
Foreign income before provision for income taxes   48.7    
(Benefit)/provision for income taxes (250.2) 52.4 $ 64.6  
Accumulated foreign earnings 200.0      
Deferred tax benefit [1] (262.8) 0.0 0.0  
Gross unrecognized tax benefits 46.5 43.7 $ 29.8 $ 22.6
Gross unrecognized tax benefits increased during the year   2.8    
Unrecognized tax benefit, reduction of effective tax rate if recognized 36.6      
Increase (decrease) in interest and penalties accrued related to unrecognized tax benefits 0.6 0.5    
Interest and penalties accrued related to unrecognized tax benefits 3.6 3.0    
Estimated decrease in unrecognized tax benefit in next 12 months 2.9      
Estimated increase in unrecognized tax benefit in next 12 months 5.1      
Undistributed earnings 46.0      
Capital loss carryforward 34.1 34.1    
Deferred tax liability unremitted foreign earnings 14.3 14.3    
Deferred Tax Asset [Member]        
Income Tax Disclosure [Line Items]        
Valuation allowance 92.4      
Net increase in valuation allowance 14.0      
Deferred tax benefit 263.0      
Federal [Member]        
Income Tax Disclosure [Line Items]        
Net operating loss carryforwards $ 20.1      
Net operating loss, beginning of expiration period 2037      
Tax credit carryforward, amount $ 30.2      
CALIFORNIA        
Income Tax Disclosure [Line Items]        
Net operating loss carryforwards $ 26.5      
Net operating loss, beginning of expiration period 2027      
State and Local Jurisdiction [Member]        
Income Tax Disclosure [Line Items]        
Tax credit carryforward, amount $ 69.0      
Foreign [Member]        
Income Tax Disclosure [Line Items]        
Net operating loss carryforwards 49.4      
U.S. Treasury Notice [Member]        
Income Tax Disclosure [Line Items]        
(Benefit)/provision for income taxes $ 11.3 $ 6.3    
[1] On June 29, 2024, we completed an intra-group transfer that involved the domestication of certain foreign subsidiaries and the migration of certain foreign intellectual property to the United States. See further discussion below.