v3.26.1
PENSION AND POSTRETIREMENT BENEFITS - Schedule of Estimated Future Gross Benefit Payments (Details)
$ in Millions
May 31, 2026
USD ($)
Pension Plan [Member]  
PENSION AND POSTRETIREMENT BENEFITS  
2027 $ 133.8
2028 125.4
2029 126.2
2030 126.8
2031 127.0
Succeeding 5 years 628.5
Other Postretirement Benefits Plan [Member]  
PENSION AND POSTRETIREMENT BENEFITS  
2027 6.1
2028 5.5
2029 5.0
2030 4.6
2031 4.2
Succeeding 5 years $ 16.1