Restructuring Initiatives (Schedule of restructuring charges classification) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 29, 2015	Nov. 23, 2014	Nov. 29, 2015	Nov. 23, 2014
Restructuring and Related Cost [Line Items]
Restructuring charges	$ 83.1	$ 233.2	$ 165.0	$ 247.2
Project-related costs classified in cost of sales	16.2	0.0	29.3	0.0
Cost of Sales [Member]
Restructuring and Related Cost [Line Items]
Restructuring charges	21.8	18.6	43.6	18.6
Restructuring, Impairment, and Other Exit Costs [Member]
Restructuring and Related Cost [Line Items]
Restructuring charges	$ 61.3	$ 214.6	$ 121.4	$ 228.6