Stock-Based Compensation (Recognized Stock-Based Compensation Expense) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Feb. 23, 2014		Feb. 24, 2013		Feb. 23, 2014		Feb. 24, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 8.2		$ 7.3		$ 39.5		$ 36.0
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	4.0	[1]	4.7	[1]	16.5	[1]	14.2	[1]
Restricted Stock/ Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	(0.1)		0.7		0.8		2.1
Darden Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	3.6		1.7		14.6		12.2
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	0.2		(0.4)		4.5		4.8
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	0.5		0.5		1.4		1.4
Director compensation program/other
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 0		$ 0.1		$ 1.7		$ 1.3

[1] The increase for the nine months ended February 23, 2014 is primarily attributable to the workforce reduction efforts further discussed in Note 11.