Note 14 - Stockholders' Equity - Reclassification from Other Comprehensive Income (Loss) to Income (Details) - USD ($) $ in Millions		3 Months Ended							9 Months Ended
		Feb. 25, 2024	Nov. 26, 2023	Aug. 27, 2023	Feb. 26, 2023		Nov. 27, 2022	Aug. 28, 2022	Feb. 25, 2024	Feb. 26, 2023
Interest expense, net, cash flow hedges		$ (106.5)			$ (104.2)				$ (325.8)	$ (301.6)
Selling, general and administrative expenses		387.4			348.8				1,119.6	1,463.1
Total before tax		363.5			391.8				1,081.0	734.9
Income Tax Expense (Benefit)		95.9			100.1				297.1	237.0
Net of tax		308.6	$ 286.2	$ 319.7	341.7		$ 381.9	$ (77.5)	914.5	646.1
Pension and postretirement non-service expense (income)		1.4			(6.0)				2.1	(18.2)
Total before tax		363.5			391.8				1,081.0	734.9
Income tax expense		95.9			100.1				297.1	237.0
Net of tax		308.6	$ 286.2	$ 319.7	341.7		$ 381.9	$ (77.5)	914.5	646.1
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Interest expense, net, cash flow hedges	[1]	(0.9)			(0.9)				(2.7)	(2.5)
Selling, general and administrative expenses	[1]	(1.2)			(0.7)				(3.5)	(0.7)
Total before tax	[1]	(2.1)			(1.6)				(6.2)	(3.2)
Income Tax Expense (Benefit)	[1]	0.5			0.4				1.5	0.9
Net of tax	[1]	(1.6)			(1.2)				(4.7)	(2.3)
Total before tax	[1]	(2.1)			(1.6)				(6.2)	(3.2)
Income tax expense	[1]	0.5			0.4				1.5	0.9
Net of tax	[1]	(1.6)			(1.2)				(4.7)	(2.3)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Settlement Gain (Loss) Attributable to Parent [Member]
Pension and postretirement non-service expense (income)		1.1			0.0	[1]			1.1	0.0	[1]
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 expense (income)	[1]								0.0	(0.1)
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 expense (income)	[1]	(1.2)			(1.1)				(3.6)	(3.3)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Total before tax	[1]	(0.1)			(1.1)				(2.5)	(3.4)
Income Tax Expense (Benefit)	[1]	0.0			0.3				0.6	1.0
Net of tax	[1]	(0.1)			(0.8)				(1.9)	(2.4)
Total before tax	[1]	(0.1)			(1.1)				(2.5)	(3.4)
Income tax expense	[1]	0.0			0.3				0.6	1.0
Net of tax	[1]	$ (0.1)			$ (0.8)				$ (1.9)	$ (2.4)

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