RESTRUCTURING (Liabilities for Initiatives and Changes) (Details) (SCAE Plan [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
	Nov. 24, 2013
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 28.4
Costs incurred and charged to expense	14.6
Costs paid or otherwise settled	(11.5)
Ending balance	31.5
Severance and Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	17.2
Costs incurred and charged to expense	13.9
Costs paid or otherwise settled	(11.2)
Ending balance	19.9
Multi-employer Pension Cost [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	11.2
Costs incurred and charged to expense	0.7
Costs paid or otherwise settled	(0.3)
Ending balance	$ 11.6