RESTRUCTURING ACTIVITIES (Liabilities for Initiatives and Changes) (Details) - SCAE Plan $ in Millions	3 Months Ended
	Aug. 30, 2015 USD ($)
Restructuring Cost and Reserve [Roll Forward]
Balance at Beginning of Period	$ 32.3
Costs Incurred and Charged to Expense	15.2
Costs Paid or Otherwise Settled	(12.4)
Changes in Estimates	(0.2)
Balance at End of Period	34.9
Multi-employer pension costs
Restructuring Cost and Reserve [Roll Forward]
Balance at Beginning of Period	11.4
Costs Incurred and Charged to Expense	0.2
Costs Paid or Otherwise Settled	(0.1)
Changes in Estimates	0.0
Balance at End of Period	11.5
Severance
Restructuring Cost and Reserve [Roll Forward]
Balance at Beginning of Period	16.4
Costs Incurred and Charged to Expense	6.1
Costs Paid or Otherwise Settled	(9.1)
Changes in Estimates	(0.4)
Balance at End of Period	13.0
Other costs
Restructuring Cost and Reserve [Roll Forward]
Balance at Beginning of Period	4.5
Costs Incurred and Charged to Expense	8.9
Costs Paid or Otherwise Settled	(3.2)
Changes in Estimates	0.2
Balance at End of Period	$ 10.4