Risk Management Activities (Tables)

9 Months Ended

Feb. 23, 2020

Risk Management Activities [Abstract]

Schedule of unallocated corporate items [Table Text Block]

	Quarter Ended				Nine-Month Period Ended
In Millions		Feb. 23, 2020		Feb. 24, 2019		Feb. 23, 2020		Feb. 24, 2019
Net (loss) gain on mark-to-market valuation of certain commodity positions	$	(8.7)	$	10.2	$	(19.7)	$	(26.8)
Net loss (gain) on commodity positions reclassified from unallocated corporate items to segment operating profit		4.5		0.8		19.8		(0.7)
Net mark-to-market revaluation of certain grain inventories		(4.4)		(4.5)		(1.1)		(8.9)
Net mark-to-market valuation of certain commodity positions recognized in unallocated corporate items	$	(8.6)	$	6.5	$	(1.0)	$	(36.4)