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Financial Instruments, Risk Management Activities, and Fair Values (Schedule of maturities of available for sale securities) (Details) $ in Millions	May 30, 2021 USD ($)
Schedule of Available-for-Sale Securities [Line Items]
Cost	$ 437.2
Fair Value	442.5
Debt Securities [Member] | Under 1 year (current) [Member]
Schedule of Available-for-Sale Securities [Line Items]
Cost	76.9
Fair Value	76.9
Equity Securities [Member]
Schedule of Available-for-Sale Securities [Line Items]
Cost	360.3
Fair Value	$ 365.6

X

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

No definition available.

+ Details

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X

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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