v3.26.1
EMPLOYEE BENEFIT PLANS - Defined Benefit Pension Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]      
Rabbi trust assets $ 70.8 $ 66.4  
Benefit obligation 65.9 62.6 $ 61.6
Benefit expense 3.7 3.8 3.7
SORP | Supplemental Employee Retirement Plan      
Defined Benefit Plan Disclosure [Line Items]      
Benefit obligation 61.0 57.6 56.4
Benefit expense 3.5 3.5 3.5
SERP | Supplemental Employee Retirement Plan      
Defined Benefit Plan Disclosure [Line Items]      
Benefit obligation 4.9 5.0 5.2
Benefit expense $ 0.3 $ 0.3 $ 0.3