OTHER INCOME AND (EXPENSE) - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating Loss Carryforwards [Line Items]
Other income (expense)	$ 6,986	$ (36)
Net periodic benefit cost	9,900	1,400
Pension Plan
Operating Loss Carryforwards [Line Items]
Interest cost	5,820	4,113
Net periodic benefit cost	(8,654)	(208)
UNITED STATES
Operating Loss Carryforwards [Line Items]
Interest cost	1,800
Net periodic benefit cost	1,200
UNITED STATES | Pension Plan
Operating Loss Carryforwards [Line Items]
Benefit obligation period increase (decrease)	10,500
Interest cost	4,571	3,274
Payment for pension benefits	8,800
Net periodic benefit cost	(8,676)	(43)
UNITED KINGDOM
Operating Loss Carryforwards [Line Items]
Net periodic benefit cost	200
UNITED KINGDOM | Pension Plan
Operating Loss Carryforwards [Line Items]
Interest cost	1,249	839
Net periodic benefit cost	22	$ (165)
Nonqualified Plan
Operating Loss Carryforwards [Line Items]
Benefit obligation period increase (decrease)	100
Nonqualified Plan | Postemployment Retirement Benefits
Operating Loss Carryforwards [Line Items]
Benefit obligation period increase (decrease)	1,200
Nonqualified Plan | UNITED KINGDOM
Operating Loss Carryforwards [Line Items]
Benefit obligation period increase (decrease)	$ 0