INVESTMENTS IN JOINT VENTURES - Schedule of equity method investments (Details) - USD ($) $ in Millions	12 Months Ended
	May 25, 2025	May 26, 2024	May 28, 2023
INVESTMENTS IN JOINT VENTURES
Gross Profit	$ 3,003.5	$ 3,333.4	$ 3,264.8
Earnings after income taxes	1,152.5	347.7	683.2
Current assets	3,071.0	3,149.5
Current liabilities	4,317.0	3,241.8
Ardent Mills
INVESTMENTS IN JOINT VENTURES
Revenues	3,998.2	4,597.9	5,239.9
Gross Profit	656.2	642.0	745.4
Earnings after income taxes	369.2	361.5	453.2
Current assets	1,365.2	1,430.0
Assets, Noncurrent	1,840.6	1,862.9
Current liabilities	521.9	668.5
Liabilities, Noncurrent	571.5	569.0
Other Joint Ventures
INVESTMENTS IN JOINT VENTURES
Revenues	339.3	361.4	283.3
Gross Profit	85.0	87.1	59.4
Earnings after income taxes	40.5	37.4	22.3
Current assets	142.0	157.2
Assets, Noncurrent	50.5	48.9
Current liabilities	46.5	57.1
Liabilities, Noncurrent	2.6	3.2
Equity Method Investment, Investees
INVESTMENTS IN JOINT VENTURES
Revenues	4,337.5	4,959.3	5,523.2
Gross Profit	741.2	729.1	804.8
Earnings after income taxes	$ 409.7	$ 398.9	$ 475.5