LONG-TERM DEBT (Net Interest Expense) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 23, 2014	Feb. 24, 2013	Feb. 23, 2014	Feb. 24, 2013
Debt Disclosure [Abstract]
Interest Expense, Long-term Debt	$ 98.2	$ 70.9	$ 297.3	$ 177.8
Interest Expense, Short-term Borrowings	0.4	2.1	1.2	2.4
Interest income	(0.4)	(0.9)	(1.7)	(2.4)
Interest capitalized	(3.2)	(1.5)	(10.8)	(4.5)
Interest expense, net	$ 95.0	$ 70.6	$ 286.0	$ 173.3