Restructuring, Impairment, and Other Exit Costs (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
May 28, 2023	May 29, 2022
Restructuring and Related Cost [Line Items]
Restructuring charges, cash	$ 36.6	$ 93.9
Reduction to restructuring reserve		(34.0)
Severance [Member]
Restructuring and Related Cost [Line Items]
Reduction to restructuring reserve		$ (34.0)
Global supply chain actions [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	52.0
Expected Total Payments for Restructuring	$ 35.0
Restructuring action completion date	May 26, 2024
Global supply chain actions [Member] \| Severance [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	$ 26.0
Restructuring charges recognized	25.8
Global supply chain actions [Member] \| Other costs [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	26.0
Restructuring charges recognized	10.4
Global supply chain actions [Member] \| Asset impairment [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	8.0
Global supply chain actions [Member] \| Other asset write-offs [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	11.0
Optimization of Haagen-Dazs shops network [Member] \| International [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	10.0
Expected Total Payments for Restructuring	9.0
Optimization of Haagen-Dazs shops network [Member] \| International [Member] \| Severance [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	6.0
Restructuring charges recognized	5.6
Optimization of Haagen-Dazs shops network [Member] \| International [Member] \| Other costs [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Expected Cost	4.0
Restructuring charges recognized	$ 0.8
Global organizational structure and resource alignment [Member]
Restructuring and Related Cost [Line Items]
Restructuring action completion date	May 28, 2023

The amount of cash potion of expected restructuring charges.

No definition available.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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- Definition

Date the exit and disposal activities were completed or are expected to be completed, in YYYY-MM-DD format.

+ References

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- Definition

Amount expected to be recognized in earnings for the specified restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

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