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Income Taxes (Schedule of changes in total gross unrecognized tax benefit liabilities, excluding accrued interest) (Details) - USD ($) $ in Millions	12 Months Ended
	May 30, 2021	May 31, 2020
Changes in total gross unrecognized tax benefit liabilities [Roll Forward]
Balance, beginning of year	$ 147.9	$ 139.1
Tax positions related to current year: Additions	20.1	18.7
Tax positions related to prior years: Additions	6.3	2.3
Tax positions related to prior years: Reductions	(7.2)	(6.0)
Tax positions related to prior years: Settlements	(2.1)	(2.9)
Lapses in statutes of limitations	(19.7)	(3.3)
Balance, end of year	$ 145.3	$ 147.9

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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- Definition

Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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