DERIVATIVE FINANCIAL INSTRUMENTS - Gains (losses) from derivatives not designated as hedging instruments (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 27, 2016	Nov. 29, 2015	Nov. 27, 2016	Nov. 29, 2015
Derivative Instruments, Gain (Loss)
Amount of Gain or (Loss) Recognized on Derivative	$ (0.6)	$ (1.9)	$ (0.2)	$ (4.4)
Commodity contracts | Cost of sales
Derivative Instruments, Gain (Loss)
Amount of Gain or (Loss) Recognized on Derivative	(0.5)	$ (1.9)	(0.1)	(5.2)
Foreign exchange contracts | Selling, general and administrative expense
Derivative Instruments, Gain (Loss)
Amount of Gain or (Loss) Recognized on Derivative	$ (0.1)		$ (0.1)	$ 0.8