Risk Management Activities (Tables)

9 Months Ended

Feb. 28, 2016

Risk Management Activities [Abstract]

Schedule of unallocated corporate items [Table Text Block]

	Quarter Ended				Nine-MonthPeriod Ended
In Millions		Feb. 28, 2016		Feb. 22, 2015		Feb. 28, 2016		Feb. 22, 2015
Net loss on mark-to-market valuation of certain commodity positions	$	(42.7)	$	(64.8)	$	(96.7)	$	(146.4)
Net loss on commodity positions reclassified from unallocated corporate items to segment operating profit		39.8		28.6		101.9		56.6
Net mark-to-market revaluation of certain grain inventories		(4.4)		(7.5)		(2.1)		(8.2)
Net mark-to-market valuation of certain commodity positions recognized in unallocated corporate items	$	(7.3)	$	(43.7)	$	3.1	$	(98.0)