v3.26.1
Income Taxes - Effective Tax Rate Reconciliation by Jurisdiction (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 29, 2024
Amount      
Income tax provision computed at federal statutory rate $ (1,506.3) $ (36.1) $ (85.2)
State and local income tax, net of federal income tax effect (70.3)    
Other foreign jurisdictions   (49.9) 58.9
Effects of cross-border tax laws      
GILTI 100.6 22.4 0.2
Other (23.0)    
Tax credits (37.8) (2.2) (1.8)
Change in valuation allowance (181.4) (161.5) 150.1
Nontaxable or nondeductible items      
Nondeductible loss on extinguishment of debt 1,628.6    
Other (36.1)    
Changes in unrecognized tax benefits 14.5 8.5 11.7
Total income tax (benefit) provision $ (237.7) $ (198.0) $ 140.8
Percentage      
Income tax benefit computed at U.S. federal statutory rate 21.00%    
State and local income tax, net of federal income tax effect 1.00%    
Effects of cross-border tax laws      
GILTI (1.40%)    
Other 0.30%    
Tax credits (0.50%)    
Changes in valuation allowances 2.50%    
Nontaxable or nondeductible items      
Nondeductible loss on extinguishment of debt (22.70%)    
Other 0.50%    
Changes in unrecognized tax benefits (0.20%)    
Effective tax rate 3.20% 115.04% (34.71%)
Switzerland      
Amount      
Income not subject to local corporate income tax $ 138.1    
Other $ (2.2)    
Percentage      
Income not subject to local corporate income tax 1.90%    
Other 0.00%    
Other foreign jurisdictions      
Amount      
Other foreign jurisdictions $ 7.5    
Percentage      
Other foreign jurisdictions (0.10%)    
United States      
Amount      
Other $ 6.3    
Percentage      
Other (0.10%)