CONTINGENCIES (Details) $ in Millions	9 Months Ended	12 Months Ended
	Feb. 23, 2025 USD ($) installment	May 26, 2024 USD ($)
CONTINGENCIES
Threshold amount for Environmental Matters	$ 1.0
Insurance Settlements Receivable	71.7	$ 14.7
Loss contingency		3.1
Punitive damages		4.0
Threatened Litigation
CONTINGENCIES
Loss contingency accrual	203.8	76.3
Other accrued liabilities | Threatened Litigation
CONTINGENCIES
Loss contingency accrual	159.5	30.4
Other noncurrent liabilities
CONTINGENCIES
Insurance Settlements Receivable	17.1	7.6
Other noncurrent liabilities | Threatened Litigation
CONTINGENCIES
Loss contingency accrual	44.3	45.9
Accounts Receivable
CONTINGENCIES
Insurance Settlements Receivable	54.6	7.1
Beatrice
CONTINGENCIES
Accrual for environmental loss contingencies	36.7	39.3
Beatrice | Other accrued liabilities
CONTINGENCIES
Accrual for environmental loss contingencies	$ 3.2	$ 3.3
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Other Accrued Liabilities, Current	Other Accrued Liabilities, Current
Beatrice | Other noncurrent liabilities
CONTINGENCIES
Accrual for environmental loss contingencies	$ 33.5	$ 36.0
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
CALIFORNIA | Beatrice
CONTINGENCIES
Litigation settlement amount	$ 101.7
Loss contingency settlement agreement terms number of installments | installment	7
Loss contingency accrual payments	$ 85.0
Loss contingency accrual		$ 28.9
CALIFORNIA | Beatrice | Other accrued liabilities
CONTINGENCIES
Loss contingency accrual	16.9	11.8
CALIFORNIA | Beatrice | Other noncurrent liabilities
CONTINGENCIES
Loss contingency accrual		$ 17.1
CALIFORNIA | Beatrice | Maximum
CONTINGENCIES
Litigation settlement amount of guarantee	$ 15.0