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INCOME TAXES - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025
Income Tax Contingency [Line Items] |  |
Investment tax credit | $ 84,600 |
Valuation allowance | 620,736 | $ 651,779
Deferred tax assets | 1,077,003 | 1,080,575
Decrease in deferred tax assets | 31,000 |
Unrecognized tax benefits of deferred tax assets offset by valuation allowance | 54,700 | 56,000
Net unrecognized tax benefit excluding portion offset by valuation allowance | 66,700 | 83,800
Provision for deferred income tax liabilities | 43,200 | $ 20,000
Foreign |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards | 2,600,000 |
Operating loss carryforwards, no expiration | 270,000 |
Deferred tax assets | 617,800 |
Domestic |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards | 332,800 |
Deferred tax assets | 2,900 |
State and local jurisdiction |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards | 406,600 |
Operating loss carryforwards, no expiration | $ 62,700 |

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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482525/740-10-45-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482525/740-10-45-6 + Details
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