Segment Information (Schedule of Segment Reporting) (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 27, 2017	Aug. 28, 2016
Segment Reporting Information [Line Items]
Sales	$ 1,936.1	$ 1,714.4
Restaurant and marketing expenses	1,588.3	1,406.4
Segment profit	347.8	308.0
Depreciation and amortization	76.1	66.8
Impairments and disposal of assets, net	(0.8)	(7.8)
Purchases of land, buildings and equipment	95.7	60.1
Operating Segments | Olive Garden
Segment Reporting Information [Line Items]
Sales	989.9	961.2
Restaurant and marketing expenses	790.8	774.9
Segment profit	199.1	186.3
Depreciation and amortization	32.1	30.1
Impairments and disposal of assets, net	0.0	(1.5)
Purchases of land, buildings and equipment	45.5	27.1
Operating Segments | LongHorn Steakhouse
Segment Reporting Information [Line Items]
Sales	404.5	386.3
Restaurant and marketing expenses	340.9	326.2
Segment profit	63.6	60.1
Depreciation and amortization	16.4	16.3
Impairments and disposal of assets, net	0.0	(0.2)
Purchases of land, buildings and equipment	15.9	13.6
Operating Segments | Fine Dining
Segment Reporting Information [Line Items]
Sales	122.2	114.2
Restaurant and marketing expenses	103.0	97.3
Segment profit	19.2	16.9
Depreciation and amortization	7.8	7.2
Impairments and disposal of assets, net	0.0	0.0
Purchases of land, buildings and equipment	6.1	10.8
Operating Segments | Other Business
Segment Reporting Information [Line Items]
Sales	419.5	252.7
Restaurant and marketing expenses	353.6	208.0
Segment profit	65.9	44.7
Depreciation and amortization	19.8	13.2
Impairments and disposal of assets, net	0.0	(6.1)
Purchases of land, buildings and equipment	27.3	7.5
Corporate
Segment Reporting Information [Line Items]
Sales	0.0	0.0
Restaurant and marketing expenses	0.0	0.0
Segment profit	0.0	0.0
Depreciation and amortization	0.0	0.0
Impairments and disposal of assets, net	(0.8)	0.0
Purchases of land, buildings and equipment	$ 0.9	$ 1.1