Segment Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 26, 2017 USD ($)	Feb. 28, 2016 USD ($)	Feb. 26, 2017 USD ($) segment	Feb. 28, 2016 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			4
Segment Reporting Information [Line Items]
Sales	$ 1,878.7	$ 1,847.5	$ 5,235.6	$ 5,143.3
Restaurant and marketing expenses	1,494.8	1,466.2	4,279.8	4,184.7
Segment profit	383.9	381.3	955.8	958.6
Depreciation and amortization	67.9	67.0	202.5	223.4
Impairments and disposal of assets, net	(0.7)	(2.1)	(8.4)	3.9
Purchases of land, buildings and equipment			214.0	172.8
Operating Segments | Olive Garden
Segment Reporting Information [Line Items]
Sales	1,035.1	1,019.8	2,911.3	2,856.8
Restaurant and marketing expenses	817.4	799.7	2,353.8	2,287.6
Segment profit	217.7	220.1	557.5	569.2
Depreciation and amortization	31.1	29.7	92.3	105.6
Impairments and disposal of assets, net	0.1	(1.9)	(1.5)	(1.9)
Purchases of land, buildings and equipment			97.0	67.2
Operating Segments | LongHorn Steakhouse
Segment Reporting Information [Line Items]
Sales	434.3	425.5	1,185.6	1,174.4
Restaurant and marketing expenses	349.3	340.5	988.1	977.5
Segment profit	85.0	85.0	197.5	196.9
Depreciation and amortization	16.4	16.7	49.0	56.2
Impairments and disposal of assets, net	0.0	(0.2)	(0.2)	(1.5)
Purchases of land, buildings and equipment			43.1	40.7
Operating Segments | Fine Dining
Segment Reporting Information [Line Items]
Sales	153.7	146.0	396.6	382.5
Restaurant and marketing expenses	117.3	112.1	319.9	308.3
Segment profit	36.4	33.9	76.7	74.2
Depreciation and amortization	7.2	7.1	21.6	21.5
Impairments and disposal of assets, net	0.0	0.0	0.0	0.7
Purchases of land, buildings and equipment			31.1	12.7
Operating Segments | Other Business
Segment Reporting Information [Line Items]
Sales	255.6	256.2	742.1	729.6
Restaurant and marketing expenses	210.8	213.9	618.0	611.3
Segment profit	44.8	42.3	124.1	118.3
Depreciation and amortization	13.2	13.5	39.6	40.1
Impairments and disposal of assets, net	0.0	0.0	(6.1)	6.6
Purchases of land, buildings and equipment			40.5	49.4
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	$ (0.8)	$ 0.0	(0.6)	0.0
Purchases of land, buildings and equipment			$ 2.3	$ 2.8