RESTRUCTURING ACTIVITIES (Liabilities for Initiatives and Changes) (Details) - SCAE Plan $ in Millions	12 Months Ended
	May 29, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 32.3
Costs Incurred and Charged to Expense	179.5
Costs Paid or Otherwise Settled	(104.6)
Changes in Estimates	(7.8)
Ending balance	99.4
Multi-employer pension costs
Restructuring Reserve [Roll Forward]
Beginning balance	11.4
Costs Incurred and Charged to Expense	30.0
Costs Paid or Otherwise Settled	(0.7)
Changes in Estimates	0.0
Ending balance	40.7
Severance and related costs
Restructuring Reserve [Roll Forward]
Beginning balance	16.4
Costs Incurred and Charged to Expense	84.8
Costs Paid or Otherwise Settled	(46.5)
Changes in Estimates	(7.5)
Ending balance	47.2
Consulting/Professional fees
Restructuring Reserve [Roll Forward]
Beginning balance	0.2
Costs Incurred and Charged to Expense	48.2
Costs Paid or Otherwise Settled	(43.7)
Changes in Estimates	0.0
Ending balance	4.7
Contract/Lease termination expenses
Restructuring Reserve [Roll Forward]
Beginning balance	3.1
Costs Incurred and Charged to Expense	6.0
Costs Paid or Otherwise Settled	(2.5)
Changes in Estimates	(0.3)
Ending balance	6.3
Other costs
Restructuring Reserve [Roll Forward]
Beginning balance	1.2
Costs Incurred and Charged to Expense	10.5
Costs Paid or Otherwise Settled	(11.2)
Changes in Estimates	0.0
Ending balance	$ 0.5