Stockholders' Equity (Schedule of Reclassification Adjustments out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 23, 2020	Feb. 24, 2019	Feb. 23, 2020	Feb. 24, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Less general and administrative expenses	$ (100.3)	$ (102.8)	$ (289.6)	$ (302.4)
Earnings before income taxes	265.1	253.1	449.3	564.4
Tax benefit (expense)	(31.8)	(28.0)	(18.8)	(54.5)
Net earnings	232.3	223.6	427.6	505.4
Amount Reclassified from AOCI into Net Earnings | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings before income taxes	(0.5)	0.5	(0.2)	5.7
Tax benefit (expense)	0.0	(0.1)	0.2	(0.2)
Net earnings	(0.5)	0.4	0.0	5.5
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)	0.5	(1.1)	0.9
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	0.0	0.0	(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	0.7	0.1	(146.5)	0.5
Tax benefit (expense)	(0.1)	0.0	36.6	0.0
Net earnings	0.6	0.1	(109.9)	0.5
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	(0.1)	(0.6)	(148.9)	(1.9)
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	$ 0.8	$ 0.7	$ 2.4	$ 2.4