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 30, 2021	May 31, 2020	May 26, 2019	May 27, 2018
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	$ 8,631.4	$ 7,950.7	$ 7,463.7	$ 3,756.6
Currency translation losses, net of reclassification adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	(77.1)	(125.7)	(90.9)
Derivative adjustments, net of reclassification adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	24.3	26.3	34.0
Pension and postretirement benefit obligations, net of reclassification adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	58.6	(10.2)	(53.4)
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated balances	$ 5.8	$ (109.6)	$ (110.3)	$ (110.5)