XML 77 R64.htm IDEA: XBRL DOCUMENT v3.22.2.2
Investments - Investment Securities, Aggregated by Investment Type and Length of Time (Details)
$ in Millions
Jun. 26, 2022
USD ($)
security
Jun. 27, 2021
USD ($)
security
Fair Value    
Less than 12 Months $ 650.8 $ 206.5
Greater than 12 Months 9.3 0.0
Total 660.1 206.5
Unrealized Loss    
Less than 12 Months (22.6) (0.4)
Greater than 12 Months (0.4) 0.0
Total $ (23.0) $ (0.4)
Number of securities with an unrealized loss    
Less than 12 Months | security 346 128
Greater than 12 Months | security 5 0
Total | security 351 128
Municipal bonds    
Fair Value    
Less than 12 Months $ 150.0 $ 13.4
Greater than 12 Months 1.0 0.0
Total 151.0 13.4
Unrealized Loss    
Less than 12 Months (4.4) 0.0
Greater than 12 Months 0.0 0.0
Total (4.4) 0.0
Corporate bonds    
Fair Value    
Less than 12 Months 431.1 133.8
Greater than 12 Months 8.3 0.0
Total 439.4 133.8
Unrealized Loss    
Less than 12 Months (17.4) (0.3)
Greater than 12 Months (0.4) 0.0
Total (17.8) (0.3)
U.S. agency securities    
Fair Value    
Less than 12 Months 3.9 10.7
Greater than 12 Months 0.0 0.0
Total 3.9 10.7
Unrealized Loss    
Less than 12 Months (0.1) 0.0
Greater than 12 Months 0.0 0.0
Total (0.1) 0.0
U.S. treasury securities    
Fair Value    
Less than 12 Months 65.8 47.9
Greater than 12 Months 0.0 0.0
Total 65.8 47.9
Unrealized Loss    
Less than 12 Months (0.7) (0.1)
Greater than 12 Months 0.0 0.0
Total $ (0.7) (0.1)
Certificates of deposit    
Fair Value    
Less than 12 Months   0.7
Greater than 12 Months   0.0
Total   0.7
Unrealized Loss    
Less than 12 Months   0.0
Greater than 12 Months   0.0
Total   $ 0.0