Segment Information (Schedule of Segment Reporting) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 25, 2018	Feb. 26, 2017	Feb. 25, 2018	Feb. 26, 2017
Segment Reporting Information [Line Items]
Sales	$ 2,128.4	$ 1,878.7	$ 5,946.0	$ 5,235.6
Restaurant and marketing expenses	1,706.0	1,494.8	4,869.2	4,279.8
Segment profit	422.4	383.9	1,076.8	955.8
Depreciation and amortization	79.2	67.9	234.1	202.5
Impairments and disposal of assets, net	(0.3)	(0.7)	(1.1)	(8.4)
Purchases of land, buildings and equipment			294.9	214.0
Operating Segments | Olive Garden
Segment Reporting Information [Line Items]
Sales	1,073.2	1,035.1	3,014.6	2,911.3
Restaurant and marketing expenses	846.5	817.4	2,421.2	2,353.8
Segment profit	226.7	217.7	593.4	557.5
Depreciation and amortization	33.7	31.1	99.2	92.3
Impairments and disposal of assets, net	0.1	0.1	0.1	(1.5)
Purchases of land, buildings and equipment			125.8	97.0
Operating Segments | LongHorn Steakhouse
Segment Reporting Information [Line Items]
Sales	452.8	434.3	1,245.0	1,185.6
Restaurant and marketing expenses	362.9	349.3	1,031.0	988.1
Segment profit	89.9	85.0	214.0	197.5
Depreciation and amortization	16.5	16.4	49.3	49.0
Impairments and disposal of assets, net	(0.3)	0.0	(0.3)	(0.2)
Purchases of land, buildings and equipment			55.6	43.1
Operating Segments | Fine Dining
Segment Reporting Information [Line Items]
Sales	164.4	153.7	427.1	396.6
Restaurant and marketing expenses	124.1	117.3	340.5	319.9
Segment profit	40.3	36.4	86.6	76.7
Depreciation and amortization	7.9	7.2	23.5	21.6
Impairments and disposal of assets, net	0.0	0.0	0.0	0.0
Purchases of land, buildings and equipment			21.6	31.1
Operating Segments | Other Business
Segment Reporting Information [Line Items]
Sales	438.0	255.6	1,259.3	742.1
Restaurant and marketing expenses	372.5	210.8	1,076.5	618.0
Segment profit	65.5	44.8	182.8	124.1
Depreciation and amortization	21.1	13.2	62.1	39.6
Impairments and disposal of assets, net	0.0	0.0	0.0	(6.1)
Purchases of land, buildings and equipment			87.7	40.5
Corporate
Segment Reporting Information [Line Items]
Sales	0.0	0.0	0.0	0.0
Restaurant and marketing expenses	0.0	0.0	0.0	0.0
Segment profit	0.0	0.0	0.0	0.0
Depreciation and amortization	0.0	0.0	0.0	0.0
Impairments and disposal of assets, net	$ (0.1)	$ (0.8)	(0.9)	(0.6)
Purchases of land, buildings and equipment			$ 4.2	$ 2.3