EMPLOYEE BENEFIT AND RETIREMENT PLANS - Portfolio by Valuation Category (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
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%
Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 44,136	$ 36,489
Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	65,375	74,125
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	$ 109,511	$ 110,614
Cash Equivalents | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	1.00%	2.00%
Cash Equivalents | Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 1,326	$ 2,620
Cash Equivalents | Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	0	0
Cash Equivalents | 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	$ 1,326	$ 2,620
Fixed Income
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	38.00%	40.00%
Fixed Income | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	38.00%	40.00%
Fixed Income | Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 0	$ 0
Fixed Income | Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	41,145	44,562
Fixed Income | 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	$ 41,145	$ 44,562
Equities
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	40.00%	32.00%
Equities | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	40.00%	32.00%
Equities | Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 42,810	$ 33,869
Equities | Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	1,338	965
Equities | 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	$ 44,148	$ 34,834
Mutual & Pooled Funds
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	21.00%	26.00%
Mutual & Pooled Funds | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation percentage	21.00%	26.00%
Mutual & Pooled Funds | Level 1 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	$ 0	$ 0
Mutual & Pooled Funds | Level 2 | Pension Plan
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Fair value of plan assets	22,892	28,598
Mutual & Pooled Funds | 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	$ 22,892	$ 28,598