Risk Management Activities (Tables)

9 Months Ended

Feb. 25, 2018

Risk Management Activities [Abstract]

Schedule of unallocated corporate items [Table Text Block]

	Quarter Ended				Nine-MonthPeriod Ended
In Millions		Feb. 25, 2018		Feb. 26, 2017		Feb. 25, 2018		Feb. 26, 2017
Net gain (loss) on mark-to-market valuation of certain commodity positions	$	0.3	$	-	$	(8.1)	$	(15.9)
Net loss on commodity positions reclassified from unallocated corporate items to segment operating profit		4.6		4.0		10.7		27.7
Net mark-to-market revaluation of certain grain inventories		(7.7)		4.2		0.9		8.9
Net mark-to-market valuation of certain commodity positions recognized in unallocated corporate items	$	(2.8)	$	8.2	$	3.5	$	20.7