Note 6 - Goodwill and Other Identifiable Intangible Assets - Change in Carrying Amount of Goodwill (Details) $ in Millions	6 Months Ended
	Nov. 26, 2023 USD ($)
Balance	$ 11,109.4
Currency translation	(0.1)
Balance	11,109.3
Grocery And Snacks [Member]
Balance	4,692.4
Currency translation	0.0
Balance	4,692.4
Refrigerated And Frozen [Member]
Balance	5,469.5
Currency translation	0.0
Balance	5,469.5
International [Member]
Balance	214.7
Currency translation	(0.1)
Balance	214.6
Foodservice [Member]
Balance	732.8
Currency translation	0.0
Balance	$ 732.8