RESTRUCTURING ACTIVITIES (Liabilities for Initiatives and Changes) (Details) (SCAE Plan, USD $) In Millions, unless otherwise specified	3 Months Ended
	Aug. 24, 2014
Restructuring Cost and Reserve [Line Items]
Balance at	$ 64.1
Costs Incurred and Charged to Expense	11.3
Costs Paid or Otherwise Settled	(28.1)
Changes in Estimates	1.4
Balance at	45.9
Severance
Restructuring Cost and Reserve [Line Items]
Balance at	46.9
Costs Incurred and Charged to Expense	7.0
Costs Paid or Otherwise Settled	(23.1)
Changes in Estimates	0.5
Balance at	30.3
Multi-employer pension and other costs
Restructuring Cost and Reserve [Line Items]
Balance at	11.2
Costs Incurred and Charged to Expense	0
Costs Paid or Otherwise Settled	0
Changes in Estimates	(0.2)
Balance at	11.4
Other costs
Restructuring Cost and Reserve [Line Items]
Balance at	6.0
Costs Incurred and Charged to Expense	4.3
Costs Paid or Otherwise Settled	(5.0)
Changes in Estimates	(1.1)
Balance at	$ 4.2