Unrecognized cost of unvested share-based compensation awards.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Stock-Based Compensation (Restricted Stock And RSU Activity) (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	May 28, 2017	May 29, 2016	May 31, 2015
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Line Items]
Minimum vesting period, in years (years)	4 years
Restricted stock/restricted stock units
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested stock options granted	$ 5.2
Unrecognized compensation cost, period of recognition, in years (years)	2 years 2 months 18 days
Fair market value on grant date	$ 1.7	$ 1.6	$ 4.8
Darden stock units
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested stock options granted	35.1
Fair market value on grant date	$ 18.4
Minimum \| Darden stock units
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Line Items]
Minimum vesting period, in years (years)	4 years
Maximum \| Darden stock units
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Line Items]
Minimum vesting period, in years (years)	5 years