EMPLOYEE BENEFIT AND RETIREMENT PLANS - Actual Asset Allocation For The Assets Within The Company's Plans (Details)	Jun. 30, 2021	Jun. 30, 2020
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	100.00%	100.00%
Cash equivalents
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	2.00%	4.00%
Fixed income
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	28.00%	27.00%
Equities
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	39.00%	40.00%
Mutual and pooled funds
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	31.00%	29.00%