PRE-TAX INCOME AND INCOME TAXES (Tax Effect of Temporary Differences) (Details) (USD $) In Millions, unless otherwise specified	May 25, 2014	May 26, 2013
Income Tax Disclosure [Abstract]
Property, plant and equipment	$ 585.9	$ 672.5
Goodwill, trademarks and other intangible assets	1,348.4	1,403.6
Accrued expenses	34.8	42.3
Compensation related liabilities	70.2	108.2
Pension and other postretirement benefits	279.2	291.4
Derivative cash flow hedge	0.8
Derivative cash flow hedge		38.0
Other liabilities that will give rise to future tax deductions	150.7	140.2
Net operating loss carryforwards	56.0	92.9
Other assets	86.7	72.6
Other liabilities	27.3	27.9
Deferred Tax Liabilities, Gross, Total	1,962.4	2,104.0
Deferred Tax Assets, Gross, Total	677.6	785.6
Less: Valuation allowance	(43.3)	(44.8)
Net deferred taxes Assets, Total	634.3	740.8
Net deferred taxes Liabilities, Total	$ 1,962.4	$ 2,104.0