LONG-TERM DEBT - Schedule of Long-Term Debt Instruments (Parenthetical) (Details)	12 Months Ended
	May 31, 2020	May 30, 2021
Senior debt | 5.4% senior debt due November 2048
Debt Instrument [Line Items]
Stated interest rate (percent)	5.40%	5.40%
Senior debt | 4.65% senior debt due January 2043
Debt Instrument [Line Items]
Stated interest rate (percent)	4.65%	4.65%
Senior debt | 6.625% senior debt due August 2039
Debt Instrument [Line Items]
Stated interest rate (percent)	6.625%	6.625%
Senior debt | 5.3% senior debt due November 2038
Debt Instrument [Line Items]
Stated interest rate (percent)	5.30%	5.30%
Senior debt | 8.25% senior debt due September 2030
Debt Instrument [Line Items]
Stated interest rate (percent)	8.25%	8.25%
Senior debt | 4.85% senior debt due November 2028
Debt Instrument [Line Items]
Stated interest rate (percent)	4.85%	4.85%
Senior debt | 7.0% senior debt due October 2028
Debt Instrument [Line Items]
Stated interest rate (percent)	7.00%	7.00%
Senior debt | 1.375% senior debt due November 2027
Debt Instrument [Line Items]
Stated interest rate (percent)		1.375%
Senior debt | 6.7% senior debt due August 2027
Debt Instrument [Line Items]
Stated interest rate (percent)	6.70%	6.70%
Senior debt | 7.125% senior debt due October 2026
Debt Instrument [Line Items]
Stated interest rate (percent)	7.125%	7.125%
Senior debt | 4.6% senior debt due November 2025
Debt Instrument [Line Items]
Stated interest rate (percent)	4.60%	4.60%
Senior debt | 4.3% senior debt due May 2024
Debt Instrument [Line Items]
Stated interest rate (percent)	4.30%	4.30%
Senior debt | 3.2% senior debt due January 2023
Debt Instrument [Line Items]
Stated interest rate (percent)	3.20%	3.20%
Senior debt | 3.25% senior debt due September 2022
Debt Instrument [Line Items]
Stated interest rate (percent)	3.25%	3.25%
Senior debt | 3.8% senior debt due October 2021
Debt Instrument [Line Items]
Stated interest rate (percent)	3.80%
Senior debt | 4.95% senior debt due August 2020
Debt Instrument [Line Items]
Stated interest rate (percent)	4.95%
Senior debt | LIBOR | LIBOR plus 0.50% senior debt due October 2020
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.50%
Subordinated debt | 9.75% subordinated debt due March 2021
Debt Instrument [Line Items]
Stated interest rate (percent)	9.75%
Lease financing obligations | 0.45% to 9.59% lease financing obligations due on various dates through 2035 | Minimum
Debt Instrument [Line Items]
Stated interest rate (percent)	0.45%	0.45%
Lease financing obligations | 0.45% to 9.59% lease financing obligations due on various dates through 2035 | Maximum
Debt Instrument [Line Items]
Stated interest rate (percent)	9.59%	9.59%