Note 13 - Stockholders' Equity - Reclassification from Other Comprehensive Income (Loss) to Income (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 28, 2022	Aug. 29, 2021	Aug. 29, 2021
Interest expense, net, cash flow hedges	$ (97.1)		$ (94.2)
Selling, general and administrative expenses	741.6		310.1
Total before tax	(112.3)		285.2
Income Tax Expense (Benefit), Total	14.4		69.7
Net of tax	(77.5)		235.4
Pension and postretirement non-service income	(6.1)		(16.1)
Total before tax	(112.3)		285.2
Income tax expense	14.4		69.7
Net of tax	(77.5)		$ 235.4
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Interest expense, net, cash flow hedges	(0.8)	$ (0.8)
Selling, general and administrative expenses	0.2	0.5
Total before tax	(0.6)	(0.3)
Income Tax Expense (Benefit), Total	0.2	0.1
Net of tax	(0.4)	(0.2)
Total before tax	(0.6)	(0.3)
Income tax expense	0.2	0.1
Net of tax	(0.4)	(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	(1.1)	(0.8)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Total before tax	(1.1)	(0.8)
Income Tax Expense (Benefit), Total	0.4	0.2
Net of tax	(0.7)	(0.6)
Total before tax	(1.1)	(0.8)
Income tax expense	0.4	0.2
Net of tax	$ (0.7)	$ (0.6)