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Risk Management Activities (Schedule Of Unallocated Corporate items) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 26, 2023	Nov. 27, 2022	Nov. 26, 2023	Nov. 27, 2022
Commodity Price Risk [Abstract]
Net loss on mark-to-market valuation of commodity positions	$ (38.2)	$ (20.9)	$ (9.8)	$ (93.2)
Net loss (gain) on commodity positions reclassified from unallocated corporate items to segment operating profit	14.6	(20.5)	17.8	(63.5)
Net mark-to-market revaluation of certain grain inventories	(1.5)	16.3	11.8	(43.1)
Net mark-to-market valuation of certain commodity positions recognized in unallocated corporate items	$ (25.1)	$ (25.1)	$ 19.8	$ (199.8)

X

- Definition

The amount of loss (gain) from commodity positions that was reclassified from unallocated corporate items to segment operating profit.

+ References

No definition available.

+ Details

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X

- Definition

Changes in the values of commodity derivatives that is recorded in unallocated corporate items.

+ References

No definition available.

+ Details

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X

- Definition

Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of price risk derivatives not designated as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C

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X

- Definition

Amount of unrealized gain (loss) recognized in earnings related to the fair value of the hedged item in a price risk fair value hedge, offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C

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- References

No definition available.

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