Income Taxes (Components Of Earnings Before Income Tax And Provision For Income Taxes) (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
Earnings from continuing operations before income taxes:
Earnings from continuing operations before income taxes, U.S.									$ 632.3	$ 450.6	$ 179.9
Earnings from continuing operations before income taxes, Foreign									5.0	(0.9)	(4.6)
Earnings before income taxes	$ 158.7	$ 220.2	$ 107.0	$ 151.4	$ 175.4	$ 138.1	$ 24.4	$ 111.8	637.3	449.7	175.3
Income taxes, Current
Current, Federal									160.5	89.1	(12.7)
Current, State and local									22.2	2.7	(8.0)
Current, Foreign									1.3	1.9	6.9
Total current									184.0	93.7	(13.8)
Income taxes, Deferred
Total deferred									(22.9)	(10.8)	42.0
Income tax expense (benefit)									154.8	90.0	(21.1)
U.S.
Income taxes, Deferred
Deferred, Federal									(24.1)	(2.4)	0.0
Deferred, State and local									(5.1)	(1.3)	(7.3)
Total deferred									$ (29.2)	$ (3.7)	$ (7.3)