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EQUITY, LONG-TERM INCENTIVE COMPENSATION PLANS AND NON-CONTROLLING INTEREST - Share-based Compensation Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018
Stock-based compensation expense |  |  |
Stock-based compensation expense | $ 111,381 | $ 94,194 | $ 62,784
Stock-based compensation expense associated with acceleration of equity awards | 10,900 |  |
Stock-based compensation capitalized as inventory | 6,752 | 4,819 |
Costs of revenues |  |  |
Stock-based compensation expense |  |  |
Stock-based compensation expense | 14,680 | 10,384 | 8,062
Research and development |  |  |
Stock-based compensation expense |  |  |
Stock-based compensation expense | 23,530 | 16,225 | 11,249
Selling, general and administrative |  |  |
Stock-based compensation expense |  |  |
Stock-based compensation expense | $ 73,171 | $ 67,585 | $ 43,473

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