Summary Of Significant Accounting Policies (Basic And Diluted Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	May 26, 2019	Feb. 24, 2019	Nov. 25, 2018	Aug. 26, 2018	May 27, 2018	Feb. 25, 2018	Nov. 26, 2017	Aug. 27, 2017	May 26, 2019	May 27, 2018	May 28, 2017
Accounting Policies [Abstract]
Earnings from continuing operations	$ 208.7	$ 225.1	$ 115.9	$ 168.9	$ 175.4	$ 218.5	$ 88.6	$ 121.3	$ 718.6	$ 603.8	$ 482.5
Losses from discontinued operations	(0.7)	(1.5)	(0.3)	(2.7)	(0.9)	(0.7)	(3.9)	(2.3)	(5.2)	(7.8)	(3.4)
Net earnings	$ 208.0	$ 223.6	$ 115.6	$ 166.2	$ 174.5	$ 217.8	$ 84.7	$ 119.0	$ 713.4	$ 596.0	$ 479.1
Average common shares outstanding - Basic (shares)									123.5	124.0	124.3
Effect of dilutive stock-based compensation (shares)									1.9	2.0	1.7
Average common shares outstanding - Diluted (shares)									125.4	126.0	126.0
Basic net earnings per share:
Earnings from continuing operations (in dollars per share)	$ 1.70	$ 1.83	$ 0.94	$ 1.36	$ 1.42	$ 1.77	$ 0.72	$ 0.97	$ 5.82	$ 4.87	$ 3.88
Losses from discontinued operations (in dollars per share)	(0.01)	(0.02)	(0.01)	(0.02)	(0.01)	(0.01)	(0.03)	(0.02)	(0.04)	(0.06)	(0.03)
Net earnings (in dollars per share)	1.69	1.81	0.93	1.34	1.41	1.76	0.69	0.95	5.78	4.81	3.85
Diluted net earnings per share:
Earnings from continuing operations (in dollars per share)	1.67	1.80	0.92	1.34	1.40	1.74	0.71	0.95	5.73	4.79	3.83
Losses from discontinued operations (in dollars per share)	0	(0.01)	0	(0.02)	(0.01)	(0.01)	(0.04)	(0.02)	(0.04)	(0.06)	(0.03)
Net earnings (in dollars per share)	$ 1.67	$ 1.79	$ 0.92	$ 1.32	$ 1.39	$ 1.73	$ 0.67	$ 0.93	$ 5.69	$ 4.73	$ 3.80