Stockholders' Equity (Schedule of Reclassification Adjustments out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 30, 2020	Aug. 25, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Less general and administrative expenses	$ (128.3)	$ (98.0)
Earnings before income taxes	32.5	190.4
Tax benefit (expense)	4.8	(18.6)
Net earnings	36.1	170.6
Amount Reclassified from AOCI into Net Earnings | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings before income taxes	(0.1)	0.6
Tax benefit (expense)	0.0	0.1
Net earnings	(0.1)	0.7
Amount Reclassified from AOCI into Net Earnings | Derivatives | Commodity contracts:
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Food and beverage costs and restaurant expenses	(0.5)	(0.4)
Amount Reclassified from AOCI into Net Earnings | Derivatives | Equity contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Restaurant labor costs and general and administrative expenses	0.4	1.0
Amount Reclassified from AOCI into Net Earnings | Benefit plan funding position
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings before income taxes	(0.5)	(0.1)
Tax benefit (expense)	0.1	0.0
Net earnings	(0.4)	(0.1)
Amount Reclassified from AOCI into Net Earnings | Benefit plan funding position | Pension and postretirement plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Restaurant labor costs and general and administrative expenses	0.0	(0.9)
Amount Reclassified from AOCI into Net Earnings | Benefit plan funding position | Other plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Less general and administrative expenses	$ (0.5)	$ 0.8