v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reclassification from Other Comprehensive Income (Loss) to Income (Details) - USD ($)
$ in Millions
 12 Months Ended
May 31, 2026
May 25, 2025
May 26, 2024
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Interest expense, net $ (382.6) $ (416.7) $ (430.5)
Selling, general and administrative expenses 1,439.4 1,537.3 1,487.5
Equity method investment earnings 140.7 182.4 177.6
Income tax expense 91.8 3.7 262.5
Net Income (Loss) (1,916.2) 1,152.4 347.2
Pension and postretirement non-service income (expense) (45.9) (25.9) (10.3)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Interest expense, net (2.3) (2.7) (3.5)
Equity method investment earnings (2.5) (4.1) (4.7)
Total before tax (4.8) (6.8) (8.2)
Income tax expense 1.2 1.7 2.0
Net Income (Loss) (3.6) (5.1) (6.2)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Pension and postretirement non-service income (expense) (0.2) (0.1) (0.1)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Pension and postretirement non-service income (expense) (3.4) (5.1) (4.7)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans, Adjustment Settlement, Attributable to Parent [Member] | Postretirement Health Coverage [Member]      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Pension and postretirement non-service income (expense) 2.7 (13.0) 1.1
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Total before tax (0.9) (18.2) (3.7)
Income tax expense 0.3 4.4 0.9
Net Income (Loss) $ (0.6) (13.8) $ (2.8)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Foreign Currency Adjustment Attributable to Parent [Member]      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Selling, general and administrative expenses   41.8  
Total before tax   41.8  
Net Income (Loss)   $ 41.8