Stockholders' Equity (Schedule of Reclassification Adjustments out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 25, 2018	Nov. 26, 2017	Nov. 25, 2018	Nov. 26, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
General and administrative expenses	$ 95.1	$ 98.9	$ 199.6	$ 196.9
Earnings before income taxes	135.3	113.4	311.3	272.9
Tax benefit (expense)	(19.4)	(24.8)	(26.5)	(63.0)
Net earnings	115.6	84.7	281.8	203.7
Amount Reclassified from AOCI into Net Earnings | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings before income taxes	0.1	0.0	5.2	(0.2)
Tax benefit (expense)	(0.1)	0.0	(0.1)	0.0
Net earnings	0.0	0.0	5.1	(0.2)
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	0.0	0.4	0.0
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	(4.9)	0.2
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)	0.0	(0.1)	0.0
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	0.2	0.0	0.4	0.1
Tax benefit (expense)	0.0	0.0	0.0	0.0
Net earnings	0.2	0.0	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	(0.7)	(0.7)	(1.3)	(1.4)
Amount Reclassified from AOCI into Net Earnings | Benefit plan funding position | Other plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
General and administrative expenses	$ 0.9	$ 0.7	$ 1.7	$ 1.5