Derivative Instruments and Hedging Activities (Effects of Derivative Instruments in Cash Flow Hedging Relationships) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2021	Feb. 23, 2020	Feb. 28, 2021	Feb. 23, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in AOCI	$ 8.3	$ 0.0	$ 17.4	$ (5.3)
Amount of Gain (Loss) Reclassified from AOCI to Earnings	1.1	(0.5)	0.4	(0.2)
Equity forwards: | Cost of sales and selling general and administrative expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in AOCI	8.0	0.8	16.7	(3.5)
Amount of Gain (Loss) Reclassified from AOCI to Earnings	1.3	0.0	1.6	1.0
Commodity contracts: | Food and beverage costs and restaurant expenses
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in AOCI	0.3	(0.8)	0.7	(1.8)
Amount of Gain (Loss) Reclassified from AOCI to Earnings	(0.2)	(0.5)	(1.1)	(1.1)
Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in AOCI	0.0	0.0	0.0	0.0
Amount of Gain (Loss) Reclassified from AOCI to Earnings	$ 0.0	$ 0.0	$ (0.1)	$ (0.1)