SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Accumulated Balances for Each Component of Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Millions	Nov. 29, 2020	Aug. 30, 2020	May 31, 2020	Nov. 24, 2019	Aug. 25, 2019	May 26, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	$ 8,469.5	$ 8,199.0	$ 7,950.7	$ 7,690.6	$ 7,516.8	$ 7,463.7
Currency translation losses, net of reclassification adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	(99.0)		(125.7)
Derivative adjustments, net of reclassification adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	25.0		26.3
Pension and postretirement benefit obligations, net of reclassification adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	(11.1)		(10.2)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	$ (85.1)	$ (95.8)	$ (109.6)	$ (131.0)	$ (132.4)	$ (110.3)