SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reclassification from Other Comprehensive Income (Loss) to Income (Details) - USD ($) $ in Millions	12 Months Ended
	May 26, 2024	May 28, 2023	May 29, 2022
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Interest expense, net, cash flow hedges	$ (430.5)	$ (409.6)	$ (379.9)
Selling, general and administrative expenses	2,480.6	2,189.5	1,492.8
Equity method investment earnings	177.6	212.0	145.3
Income tax expense	262.5	218.7	290.5
Net Income (Loss)	347.2	683.6	888.2
Pension and postretirement non-service income	(10.3)	(24.2)	(67.3)
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, cash flow hedges	(3.5)	(3.3)	(3.1)
Equity method investment earnings	(4.7)	(1.6)	1.8
Total before tax	(8.2)	(4.9)	(1.3)
Income tax expense	2.0	1.2	0.4
Net Income (Loss)	(6.2)	(3.7)	(0.9)
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	(0.1)	(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	(4.7)	(4.4)	(3.6)
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	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	(3.7)	(4.5)	(3.5)
Income tax expense	0.9	1.3	1.0
Net Income (Loss)	$ (2.8)	$ (3.2)	$ (2.5)