Restructuring, Impairment, and Other Exit Costs (Restructuring And Impairment Charges) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Feb. 23, 2025	Feb. 25, 2024	Nov. 26, 2023	Feb. 23, 2025	Feb. 25, 2024
Restructuring and Related Cost [Line Items]
Goodwill impairment	$ 0.0	$ 0.0	$ 117.1	$ 0.0	$ 117.1
Restructuring and impairment charges	(0.6)	5.9		3.6	147.6
Charges associated with restructuring actions previously announced [Member]
Restructuring and Related Cost [Line Items]
Restructuring and impairment charges	$ (0.6)	$ 5.9		$ 3.6	$ 30.5

Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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