Note 1 - Summary of Significant Accounting Policies - Reclassification from Other Comprehensive Income (Loss) to Income (Details) - USD ($) $ in Millions		12 Months Ended
		May 28, 2023	May 29, 2022	May 30, 2021
Interest expense, net, cash flow hedges		$ (409.6)	$ (379.9)	$ (420.4)
Selling, general and administrative expenses		2,189.5	1,492.8	1,403.0
Equity method investment earnings		212.0	145.3	84.4
Total before tax		689.9	1,033.4	1,410.3
Income tax expense		218.7	290.5	193.8
Net of tax		683.6	888.2	1,298.8
Pension and postretirement non-service income		(24.2)	(67.3)	(54.5)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Interest expense, net, cash flow hedges		(3.3)	(3.1)	(3.2)
Selling, general and administrative expenses		0.0	0.0	(0.5)
Equity method investment earnings		(1.6)	1.8	2.1
Total before tax		(4.9)	(1.3)	(1.6)
Income tax expense		1.2	0.4	1.0
Net of tax		(3.7)	(0.9)	(0.6)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Pension and postretirement non-service income		(0.1)	0.1	0.2
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Pension and postretirement non-service income		(4.4)	(3.6)	(3.5)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans, Adjustment Settlement, Attributable to Parent [Member] | Postretirement Health Coverage [Member]
Pension and postretirement non-service income		0.0	0.0	(0.5)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans, Adjustment Curtailment [Member]
Pension and postretirement non-service income		0.0	0.0	0.2
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Total before tax		(4.5)	(3.5)	(3.6)
Income tax expense		1.3	1.0	0.9
Net of tax	[1]	$ (3.2)	$ (2.5)	$ (2.7)

[1] Amounts in parentheses indicate income recognized in the Consolidated Statements of Earnings.