v3.26.3
Retirement and Postemployment Benefits - Components of Net Periodic Benefit Expense (Income) (Details) - USD ($)
$ in Millions
 3 Months Ended
Aug. 30, 2026
Aug. 24, 2025
Defined Benefit Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 9.6 $ 10.5
Interest cost 72.3 72.9
Expected return on plan assets (98.8) (101.3)
Amortization of losses (gains) 27.1 26.3
Amortization of prior service costs (credits) 0.4 0.3
Other adjustments 0.0 0.0
Net expense (income) 10.6 8.7
Other Postretirement Benefit Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 0.5 0.6
Interest cost 3.9 4.2
Expected return on plan assets (7.9) (8.4)
Amortization of losses (gains) (5.6) (6.5)
Amortization of prior service costs (credits) (4.5) (5.3)
Other adjustments 0.0 0.0
Net expense (income) (13.6) (15.4)
Postemployment Benefit Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 1.6 1.7
Interest cost 2.5 0.9
Expected return on plan assets 0.0 0.0
Amortization of losses (gains) 0.0 0.1
Amortization of prior service costs (credits) (1.8) (0.3)
Other adjustments 1.8 2.0
Net expense (income) $ 4.1 $ 4.4