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COMMITMENTS AND CONTINGENCIES - Contingent Acquisition Obligations (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Contingent Acquisition Obligations |  |  |  |
Payments for contingent consideration |  | $ 1,900 | $ 1,000 |
Beginning fair value, June 30, 2021 |  | 19,431 |  |
Addition of contingent earnout obligations |  | 14,609 |  |
Foreign currency translation adjustment |  | (515) |  |
Changes in fair value for contingent earnout obligations |  | (5,145) |  |
Payments on contingent earnout obligations |  | (168) |  |
Ending fair value, June 30, 2022 |  | 28,212 | 19,431 |
Legal Proceedings |  |  |  |
Legal fees, settlements and related costs, net |  | 5,104 | 465 | $ (3,572)
Prepaid expenses and other assets |  | 40,062 | $ 43,930 |
Certain Acquisitions |  |  |  |
Contingent Acquisition Obligations |  |  |  |
Remaining maximum amount of contingent consideration |  | $ 52,200 |  |
Mr. Chopra, Chief Executive Officer | Deferred bonus |  |  |  |
Indemnifications and Certain Employment-Related Contingencies |  |  |  |
Bonus payment on or within 45 days of January 1, 2024 contingent upon continued employment through that date | $ 13,500 |  |  |
Maximum number of days after January 1, 2024, bonus payment due | 45 days |  |  |

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