Risk Management Activities (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Nov. 28, 2021	Nov. 29, 2020
Credit Risk [Abstract]
Accounts Payable to Suppliers that Utilize Third Party Service	$ 1,378.1	$ 1,405.6
Commodity Contracts [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 741.7
Derivative Contracts Inputs, Average Period of Utilization	12 months
Energy Related Derivative [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 161.8
Agricultural Related Derivative [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 579.9