Risk Management Activities (Tables)

9 Months Ended

Feb. 28, 2021

Risk Management Activities [Abstract]

Schedule of unallocated corporate items [Table Text Block]

	Quarter Ended				Nine-Month Period Ended
In Millions	Feb. 28, 2021		Feb. 23, 2020		Feb. 28, 2021		Feb. 23, 2020
Net gain (loss) on mark-to-market valuation of certain commodity positions	$	51.0	$	(8.7)	$	95.0	$	(19.7)
Net (gain) loss on commodity positions reclassified from unallocated corporate items to segment operating profit		(3.9)		4.5		12.8		19.8
Net mark-to-market revaluation of certain grain inventories		8.6		(4.4)		10.2		(1.1)
Net mark-to-market valuation of certain commodity positions recognized in unallocated corporate items	$	55.7	$	(8.6)	$	118.0	$	(1.0)