OTHER NONCURRENT LIABILITIES (Details) - USD ($) $ in Millions	May 28, 2017	May 29, 2016
Other Liabilities Disclosure [Abstract]
Postretirement health care and pension obligations	$ 709.8	$ 1,105.1
Noncurrent income tax liabilities	466.5	342.0
Self-insurance liabilities	29.0	36.3
Environmental liabilities (see Note 17)	54.7	47.0
Accrued legal settlement costs (see Note 17)	0.0	105.9
Technology agreement liability (see Note 9)	56.4	69.6
Other	212.4	169.8
Other noncurrent liabilities	$ 1,528.8	$ 1,875.7