Discontinued Operations and Assets Held for Sale (Income Statement Disclosure) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	May 28, 2017	Feb. 26, 2017	Nov. 27, 2016	Aug. 28, 2016	May 29, 2016	Feb. 28, 2016	Nov. 29, 2015	Aug. 30, 2015	May 28, 2017	May 29, 2016	May 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax expense (benefit)									$ (4.2)	$ 3.4	$ 344.8
Earnings (loss) from discontinued operations, net of tax	$ (1.6)	$ (0.7)	$ (0.2)	$ (0.9)	$ (0.8)	$ (2.4)	$ 13.1	$ 5.4	(3.4)	15.3	513.1
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	400.4
Restaurant and marketing expenses									1.6	1.8	353.0
Depreciation and amortization									0.0	0.0	0.2
Other income and expenses									6.0	(20.5)	(810.7)
Earnings (loss) before income taxes									(7.6)	18.7	857.9
Income tax expense (benefit)									(4.2)	3.4	344.8
Earnings (loss) from discontinued operations, net of tax									$ (3.4)	$ 15.3	$ 513.1