Quarterly Data (Schedule Of Unaudited Quarterly Data) (Details) - USD ($) $ / shares in Units, $ 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
Condensed Financial Statements [Line Items]
Sales	$ 1,934.6	$ 1,878.7	$ 1,642.5	$ 1,714.4	$ 1,790.2	$ 1,847.5	$ 1,608.8	$ 1,687.0	$ 7,170.2	$ 6,933.5	$ 6,764.0
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
Earnings from continuing operations	125.4	166.3	79.7	111.1	140.4	108.2	30.1	81.0	482.5	359.7	196.4
Losses 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
Net earnings	$ 123.8	$ 165.6	$ 79.5	$ 110.2	$ 139.6	$ 105.8	$ 43.2	$ 86.4	$ 479.1	$ 375.0	$ 709.5
Basic net earnings per share:
Earnings from continuing operations, basic (in dollars per share)	$ 1.00	$ 1.34	$ 0.65	$ 0.89	$ 1.11	$ 0.85	$ 0.23	$ 0.64	$ 3.88	$ 2.82	$ 1.54
Losses from discontinued operations, basic (in dollars per share)	(0.01)	(0.01)	0.00	(0.01)	(0.01)	(0.02)	0.11	0.04	(0.03)	0.12	4.02
Net (loss) earnings, basic (in dollars per share)	0.99	1.33	0.65	0.88	1.10	0.83	0.34	0.68	3.85	2.94	5.56
Diluted net earnings per share:
Earnings from continuing operations, diluted (in dollars per share)	0.99	1.32	0.64	0.88	1.10	0.84	0.23	0.63	3.83	2.78	1.51
Earnings (loss) from discontinued operations, diluted (in dollars per share)	(0.01)	0.00	0.00	(0.01)	(0.01)	(0.02)	0.10	0.04	(0.03)	0.12	3.96
Net (loss) earnings, diluted (in dollars per share)	0.98	1.32	0.64	0.87	1.09	0.82	0.33	0.67	3.80	2.90	$ 5.47
Dividends paid per share (dollars per share)	0.56	0.56	0.56	0.56	0.5	0.50	0.55	0.55	2.24	2.1
Maximum
Stock price:
Stock price (dollars per share)	89.14	79.43	74.99	68.68	68.62	64.90	72.11	75.60	89.14	75.60
Minimum
Stock price:
Stock price (dollars per share)	$ 73.81	$ 71.02	$ 60.16	$ 59.50	$ 61.90	$ 55.01	$ 53.38	$ 63.68	$ 59.50	$ 53.38