v3.26.1
PENSION PLANS AND OTHER POST-RETIREMENT BENEFITS - Defined Benefit Obligations (Details) - Pension Plan - year
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Defined Benefit Plan Disclosure [Line Items]    
Salary increases 3.40% 3.20%
Pension increases 2.00% 2.00%
Discount rate 4.30% 3.90%
Expected return on plan assets 5.90% 5.60%
Normal retirement age (in years) 64 64