Financial Instruments, Risk Management Activities, and Fair Values (Concentrations narrative) (Details)	12 Months Ended
	May 29, 2016
Net Sales [Member] | Wal-Mart [Member]
Product Information [Line Items]
Concentration Risk Percentage	20.00%	[1]
Net Sales [Member] | Wal-Mart [Member] | United States [Member]
Product Information [Line Items]
Concentration Risk Percentage	30.00%	[1]
Net Sales [Member] | Wal-Mart [Member] | International [Member]
Product Information [Line Items]
Concentration Risk Percentage	5.00%	[1]
Net Sales [Member] | Wal-Mart [Member] | Convenience Stores and Foodservice Segment [Member]
Product Information [Line Items]
Concentration Risk Percentage	8.00%	[1]
Net Sales [Member] | Five Largest Customers [Member] | United States [Member]
Product Information [Line Items]
Concentration Risk Percentage	53.00%
Net Sales [Member] | Five Largest Customers [Member] | International [Member]
Product Information [Line Items]
Concentration Risk Percentage	22.00%
Net Sales [Member] | Five Largest Customers [Member] | Convenience Stores and Foodservice Segment [Member]
Product Information [Line Items]
Concentration Risk Percentage	45.00%
Receivables [Member] | Wal-Mart [Member] | United States [Member]
Product Information [Line Items]
Concentration Risk Percentage	26.00%	[1]
Receivables [Member] | Wal-Mart [Member] | International [Member]
Product Information [Line Items]
Concentration Risk Percentage	4.00%	[1]
Receivables [Member] | Wal-Mart [Member] | Convenience Stores and Foodservice Segment [Member]
Product Information [Line Items]
Concentration Risk Percentage	8.00%	[1]

[1] Includes Wal-Mart Stores, Inc. and its affiliates.