SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Accumulated Balances for Each Component of Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Millions	May 28, 2017	May 29, 2016	May 31, 2015	May 25, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ 4,077.8	$ 3,794.8	$ 4,610.0	$ 5,355.2
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(212.9)	(344.5)	(329.5)	$ (134.3)
Currency translation losses, net of reclassification adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(98.6)	(95.2)	(113.9)
Derivative adjustments, net of reclassification adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(1.1)	(0.4)	0.9
Unrealized losses on available-for-sale securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(0.3)	(0.6)	(0.7)
Pension and post-employment benefit obligations, net of reclassification adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (112.9)	$ (248.3)	$ (215.8)