Segment Information (Schedule of Segment Reporting) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Nov. 24, 2019	Nov. 25, 2018	Nov. 24, 2019	Nov. 25, 2018
Segment Reporting Information [Line Items]
Sales	$ 2,056.4	$ 1,973.4	$ 4,190.3	$ 4,034.8
Restaurant and marketing expenses	1,717.2	1,644.7	3,465.4	3,331.7
Segment profit	339.2	328.7	724.9	703.1
Depreciation and amortization	87.6	82.8	173.8	163.5
Impairments and disposal of assets, net	0.1	2.7	0.1	2.8
Purchases of land, buildings and equipment			256.5	233.0
Operating Segments \| Olive Garden
Segment Reporting Information [Line Items]
Sales	1,023.6	998.1	2,113.8	2,050.1
Restaurant and marketing expenses	833.3	814.6	1,694.6	1,649.6
Segment profit	190.3	183.5	419.2	400.5
Depreciation and amortization	36.0	34.7	72.1	68.3
Impairments and disposal of assets, net	0.4	2.4	1.8	2.5
Purchases of land, buildings and equipment			112.1	96.3
Operating Segments \| LongHorn Steakhouse
Segment Reporting Information [Line Items]
Sales	447.3	412.6	897.5	842.9
Restaurant and marketing expenses	375.4	345.5	751.1	704.3
Segment profit	71.9	67.1	146.4	138.6
Depreciation and amortization	17.0	16.8	33.8	33.5
Impairments and disposal of assets, net	1.2	0.3	1.2	0.3
Purchases of land, buildings and equipment			41.7	38.3
Operating Segments \| Fine Dining
Segment Reporting Information [Line Items]
Sales	154.8	146.7	291.1	276.7
Restaurant and marketing expenses	124.4	117.8	240.4	227.6
Segment profit	30.4	28.9	50.7	49.1
Depreciation and amortization	8.1	7.2	15.9	14.4
Impairments and disposal of assets, net	0.0	0.0	0.0	0.0
Purchases of land, buildings and equipment			35.5	17.9
Operating Segments \| Other Business
Segment Reporting Information [Line Items]
Sales	430.7	416.0	887.9	865.1
Restaurant and marketing expenses	383.0	365.0	775.8	746.1
Segment profit	47.7	51.0	112.1	119.0
Depreciation and amortization	24.5	22.6	48.5	44.5
Impairments and disposal of assets, net	0.0	0.0	0.0	0.0
Purchases of land, buildings and equipment			64.0	78.7
Corporate
Segment Reporting Information [Line Items]
Sales	0.0	0.0	0.0	0.0
Restaurant and marketing expenses	1.1	1.8	3.5	4.1
Segment profit	(1.1)	(1.8)	(3.5)	(4.1)
Depreciation and amortization	2.0	1.5	3.5	2.8
Impairments and disposal of assets, net	$ (1.5)	$ 0.0	(2.9)	0.0
Purchases of land, buildings and equipment			$ 3.2	$ 1.8

Restaurant and Marketing Expense

No definition available.

Name:	dri_RestaurantandMarketingExpense
Namespace Prefix:	dri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

+ Details

Name:	us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

+ Details

Name:	us-gaap_GrossProfit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=dri_OliveGardenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=dri_LonghornSteakhouseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=dri_FineDiningSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: