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 |