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Fair Value Measurements - Schedule of Financial Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Sep. 28, 2024
Jun. 29, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash held in bank $ 554.9 $ 238.4
Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total assets 298.7 638.5
Money market funds | Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents: 265.7 600.4
Certificates of deposit | Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents: 33.0 38.1
Level 1 | Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total assets 265.7 600.4
Level 1 | Money market funds | Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents: 265.7 600.4
Level 1 | Certificates of deposit | Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents: 0.0 0.0
Level 2 | Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total assets 33.0 38.1
Level 2 | Money market funds | Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents: 0.0 0.0
Level 2 | Certificates of deposit | Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents: $ 33.0 $ 38.1