SIGNIFICANT ACCOUNTING POLICIES - Deferred Compensation Plan Assets and Related Liabilities (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Non-current portion of deferred compensation plan assets	$ 35,100	$ 54,400
Deferred compensation plan expense (income)	4,603	8,769	$ 5,422
Other Income (Expense), Net
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Realized and unrealized gains on plan assets	4,600	8,800	5,400
Selling, General and Administrative Expenses
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Deferred compensation plan expense (income)	4,600	8,800	$ 5,400
Prepaid Expenses and Other Current Assets \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Recurring
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Deferred compensation plan assets, current	$ 18,800	$ 6,800