PRE-TAX INCOME AND INCOME TAXES - Schedule of the Tax Effect of Temporary Differences and Carryforwards (Details) - USD ($) $ in Millions	May 28, 2017	May 29, 2016
Assets
Accrued expenses	$ 20.2	$ 17.1
Compensation related liabilities	63.9	78.4
Pension and other postretirement benefits	275.2	433.6
Other liabilities that will give rise to future tax deductions	117.9	125.9
Net capital and operating loss carryforwards	1,112.5	1,586.0
Other	60.0	61.5
Gross deferred tax assets	1,649.7	2,302.5
Less: Valuation allowance	(1,013.4)	(1,433.5)
Net deferred taxes	636.3	869.0
Liabilities
Property, plant and equipment	216.6	251.9
Goodwill, trademarks and other intangible assets	623.4	675.8
Investment in unconsolidated subsidiaries	237.8	246.7
Other	6.3	9.6
Gross deferred tax liabilities	1,084.1	1,184.0
Net deferred taxes	$ 1,084.1	$ 1,184.0