RESTRUCTURING ACTIVITIES - Schedule of Liabilities Recorded for the SCAE Plan (Details) - SCAE Plan $ in Millions	12 Months Ended
	May 28, 2017 USD ($)
Restructuring Reserve
Beginning balance	$ 99.4
Costs Incurred and Charged to Expense	43.2
Costs Paid or Otherwise Settled	(81.1)
Changes in Estimates	(1.8)
Ending balance	59.7
Pension costs
Restructuring Reserve
Beginning balance	40.7
Costs Incurred and Charged to Expense	1.1
Costs Paid or Otherwise Settled	(12.0)
Changes in Estimates	2.0
Ending balance	31.8
Severance and related costs
Restructuring Reserve
Beginning balance	47.2
Costs Incurred and Charged to Expense	12.2
Costs Paid or Otherwise Settled	(43.7)
Changes in Estimates	(1.9)
Ending balance	13.8
Consulting/professional fees
Restructuring Reserve
Beginning balance	4.7
Costs Incurred and Charged to Expense	0.9
Costs Paid or Otherwise Settled	(4.8)
Changes in Estimates	(0.2)
Ending balance	0.6
Contract/lease cancellation
Restructuring Reserve
Beginning balance	6.3
Costs Incurred and Charged to Expense	14.5
Costs Paid or Otherwise Settled	(7.5)
Changes in Estimates	(1.7)
Ending balance	11.6
Other costs
Restructuring Reserve
Beginning balance	0.5
Costs Incurred and Charged to Expense	14.5
Costs Paid or Otherwise Settled	(13.1)
Changes in Estimates	0.0
Ending balance	$ 1.9