Discontinued Operations and Assets Held for Sale (Income Statement Disclosure) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	May 27, 2018	Feb. 25, 2018	Nov. 26, 2017	Aug. 27, 2017	May 28, 2017	Feb. 26, 2017	Nov. 27, 2016	Aug. 28, 2016	May 27, 2018	May 28, 2017	May 29, 2016
Costs and expenses:
Income tax expense (benefit)									$ (4.8)	$ (4.2)	$ 3.4
Earnings (loss) from discontinued operations, net of tax	$ (0.9)	$ (0.7)	$ (3.9)	$ (2.3)	$ (1.6)	$ (0.7)	$ (0.2)	$ (0.9)	(7.8)	(3.4)	15.3
Discontinued Operations, Disposed of by Sale | Red Lobster
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales									0.0	0.0	0.0
Costs and expenses:
Restaurant and marketing expenses									1.4	1.6	1.8
Other income and expenses									11.2	6.0	(20.5)
Earnings (loss) before income taxes									(12.6)	(7.6)	18.7
Income tax expense (benefit)									(4.8)	(4.2)	3.4
Earnings (loss) from discontinued operations, net of tax									$ (7.8)	$ (3.4)	$ 15.3