Stockholders' Equity (Schedule of Reclassification Adjustments out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 24, 2019	Nov. 25, 2018	Nov. 24, 2019	Nov. 25, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Less general and administrative expenses	$ (91.3)	$ (95.1)	$ (189.3)	$ (199.6)
Earnings before income taxes	(6.2)	135.3	184.2	311.3
Tax benefit (expense)	31.6	(19.4)	13.0	(26.5)
Net earnings	24.7	115.6	195.3	281.8
Amount Reclassified from AOCI into Net Earnings | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings before income taxes	(0.3)	0.1	0.3	5.2
Tax benefit (expense)	0.0	(0.1)	0.2	(0.1)
Net earnings	(0.3)	0.0	0.5	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	(0.2)	0.2	(0.6)	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	0.0	0.0	1.0	4.9
Amount Reclassified from AOCI into Net Earnings | Derivatives | Interest rate contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Food and beverage costs and restaurant expenses	(0.1)	(0.1)	(0.1)	(0.1)
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	(147.1)	0.2	(147.2)	0.4
Tax benefit (expense)	36.7	0.0	36.7	0.0
Net earnings	(110.4)	0.2	(110.5)	0.4
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	(147.9)	(0.7)	(148.8)	(1.3)
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	$ 0.9	$ 1.6	$ 1.7