Stock-Based Compensation (Share Activity) (Details) - shares shares in Thousands	3 Months Ended
Aug. 26, 2018	Aug. 27, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Awards exercised/vested (in shares)	(700)	(300)
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding shares beginning of period	3,530
Awards granted (in shares)	370
Awards exercised/vested (in shares)	(730)
Awards forfeited (in shares)	(20)
Outstanding shares end of period	3,150
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 shares beginning of period	240
Awards granted (in shares)	60
Awards exercised/vested (in shares)	0
Awards forfeited (in shares)	0
Outstanding shares end of period	300
Darden Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding shares beginning of period	1,390
Awards granted (in shares)	230
Awards exercised/vested (in shares)	(310)
Awards forfeited (in shares)	(20)
Outstanding shares end of period	1,290
Equity-Settled Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding shares beginning of period	550
Awards granted (in shares)	210
Awards exercised/vested (in shares)	(110)
Awards forfeited (in shares)	(30)
Outstanding shares end of period	620

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Number of share options (or share units) exercised during the current period.

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