INCOME TAXES - Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Provision for income taxes reconciliation
U.S. statutory rate	21.00%	21.00%	21.00%
State income taxes, net of federal income tax benefit	(2.70%)	1.40%	7.90%
Valuation allowance	(12.90%)	(6.60%)	(61.50%)
Foreign income taxes at other than U.S. rates	(0.20%)	3.00%	9.40%
Uncertain tax positions	6.70%	(17.90%)	0.20%
Stock-based compensation	(2.70%)	(2.80%)	(0.70%)
Loss on investment in Luxembourg	0.00%	0.00%	29.30%
Deferred tax rate remeasurement	(3.60%)	0.00%	0.00%
Other, net	(0.10%)	(2.60%)	(0.60%)
Total	5.50%	(4.50%)	5.00%
Federal provisions to return true-up	1.30%	(2.00%)
Tax attribute expirations	(1.10%)
Rate impact of miscellaneous items	(0.30%)	(0.60%)
Excess of computed tax			5.00%

Effective Income Tax Rate Reconciliation, Excess Of Computed Tax

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Effective Income Tax Rate Reconciliation, Federal Provisions To Return True-Up

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Effective Income Tax Rate Reconciliation, Loss On Investments, Percent

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Effective Income Tax Rate Reconciliation, Tax Attribute Expirations

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-12

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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-Name Accounting Standards Codification
-Section S99
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement.

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Percentage of the difference, between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, that is attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority interest income (expense), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, change in enacted tax rate, prior year income taxes, change in deferred tax asset valuation allowance, and other adjustments.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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