EMPLOYEE BENEFIT AND RETIREMENT PLANS - Portfolio by Valuation Category (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	100.00%	100.00%
Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	100.00%	100.00%
Fair Value, Inputs, Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 36,489	$ 55,255
Fair Value, Inputs, Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	74,125	79,937
Fair Value, Inputs, Level 3 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	0	0
Total | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 110,614	$ 135,192
Cash Equivalents | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	2.00%	2.00%
Cash Equivalents | Fair Value, Inputs, Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 2,620	$ 2,457
Cash Equivalents | Fair Value, Inputs, Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	0	0
Cash Equivalents | Fair Value, Inputs, Level 3 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	0	0
Cash Equivalents | Total | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 2,620	$ 2,457
Fixed Income
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	40.00%	28.00%
Fixed Income | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	40.00%	28.00%
Fixed Income | Fair Value, Inputs, Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 0	$ 0
Fixed Income | Fair Value, Inputs, Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	44,562	38,155
Fixed Income | Fair Value, Inputs, Level 3 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	0	0
Fixed Income | Total | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 44,562	$ 38,155
Equities
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	32.00%	39.00%
Equities | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	31.00%	39.00%
Equities | Fair Value, Inputs, Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 33,869	$ 51,095
Equities | Fair Value, Inputs, Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	965	1,887
Equities | Fair Value, Inputs, Level 3 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	0	0
Equities | Total | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 34,834	$ 52,982
Mutual & Pooled Funds
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	26.00%	31.00%
Mutual & Pooled Funds | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	26.00%	31.00%
Mutual & Pooled Funds | Fair Value, Inputs, Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 0	$ 1,703
Mutual & Pooled Funds | Fair Value, Inputs, Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	28,598	39,895
Mutual & Pooled Funds | Fair Value, Inputs, Level 3 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	0	0
Mutual & Pooled Funds | Total | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 28,598	$ 41,598