Stock-Based Compensation (Share Activity) (Details) In Millions, unless otherwise specified	9 Months Ended
	Feb. 23, 2014	Feb. 24, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Awards exercised	(1.4)	(1.5)
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding beginning of period	11.6
Awards granted	1.7
Awards exercised	(1.4)
Awards forfeited	(0.3)
Outstanding end of period	11.6
Restricted Stock/ Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding beginning of period	0.2
Awards granted	0.1
Awards exercised	(0.1)
Awards forfeited	0
Outstanding end of period	0.2
Darden Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding beginning of period	2.2
Awards granted	0.6
Awards exercised	(0.4)
Awards forfeited	(0.2)
Outstanding end of period	2.2
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding beginning of period	0.9
Awards granted	0.3
Awards exercised	(0.2)
Awards forfeited	(0.2)
Outstanding end of period	0.8