Stockholders' Equity (Schedule of Reclassification Adjustments out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 25, 2019	Aug. 26, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Less general and administrative expenses	$ (98.0)	$ (104.5)
Earnings before income taxes	190.4	176.0
Tax benefit (expense)	(18.6)	(7.1)
Net earnings	170.6	166.2
Amount Reclassified from AOCI into Net Earnings | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings before income taxes	0.6	5.1
Tax benefit (expense)	0.1	0.0
Net earnings	0.7	5.1
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	(0.4)	0.2
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	1.0	4.9
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	(0.1)	0.2
Tax benefit (expense)	0.0	0.0
Net earnings	(0.1)	0.2
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	(0.9)	(0.6)
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	$ 0.8	$ 0.8