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EMPLOYEE BENEFIT PLANS - Employee Retirement Savings Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Employee Benefit Plans
Contributions made by the entity to defined contribution plans	$ 6,700	$ 6,500	$ 6,400
Deferred Compensation Plan
Company contribution on deferred compensation plan	500	500	500
Assets held by Company	32,800
Liabilities held by Company	$ 32,300
Period to classify liabilities underfunded plans as noncurrent	12 months
Defined Benefit Pension Plans
Fair Value	$ 7,010	5,358	$ 5,781
Maximum
Deferred Compensation Plan
Percentage of salaries which can be deferred by eligible employees	80.00%
Percentage of bonuses which can be deferred by eligible employees	100.00%
Nonqualified Plan
Defined Benefit Pension Plans
Fair Value	$ 14,300	$ 10,700

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Maximum percentage of employee gross bonus the employee may contribute to a defined contribution plan.

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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