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STOCK-BASED COMPENSATION - NARRATIVE (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jul. 01, 2017 USD ($) tranche | Jun. 30, 2023 USD ($) shares | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock compensation |  | $ 26,100 | $ 21,200 | $ 20,700
Tax benefit from stock-based compensation expense |  | 7,500 | 6,200 | 6,100
401(k) plan expense |  | $ 3,500 | 3,600 | $ 2,400
Restricted Stock Units (RSUs) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting (in years) |  | 3 years |  |
Vesting (percentage) |  | 33.00% |  |
Number of shares available for issuance (in shares) | shares |  | 95,330 |  |
Unrecognized compensation expense related to non-vested awards |  | $ 43,706 |  |
Total fair value of shares vested in the period |  | $ 24,600 |  |
Weighted average contractual term |  | 1 year 2 months 12 days |  |
401(k) plan expense |  | $ 2,500 |  |
Renewed RSU |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Renewal term |  | 1 year |  |
Chief Executive Officer | Restricted Stock Units (RSUs) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Estimated fair value of non-vested awards | $ 20,500 |  |  |
Number of vesting tranches during requisite service period | tranche | 5 |  |  |
Requisite service period of equity-based award agreement based on service and market conditions (in years) | 9 years |  |  |
Equity awards, estimated fair value |  | $ 5,200 | $ 8,800 |
Chief Executive Officer | Restricted Stock Units (RSUs) | Year One |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted shares grants, annual vesting percentage |  |  |  | 25.00%
Chief Executive Officer | Restricted Stock Units (RSUs) | Year Two |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted shares grants, annual vesting percentage |  |  |  | 25.00%
Chief Executive Officer | Restricted Stock Units (RSUs) | Year Three |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted shares grants, annual vesting percentage |  |  |  | 25.00%
Chief Executive Officer | Restricted Stock Units (RSUs) | Year Four |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted shares grants, annual vesting percentage |  |  |  | 25.00%
Chief Executive Officer | Renewed RSU |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Period for recognition of unrecognized compensation expense related to non-vested awards (in years) |  | 5 years |  |
Unrecognized compensation expense related to non-vested awards |  | $ 10,900 |  |
Historical daily trading history term, equity volatility |  | 1 year 6 months |  |
Employees and Directors | Restricted Stock Units (RSUs) | Year One |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted shares grants, annual vesting percentage |  | 33.30% | 33.30% | 33.30%
Employees and Directors | Restricted Stock Units (RSUs) | Year Two |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted shares grants, annual vesting percentage |  | 33.30% | 33.30% | 33.30%
Employees and Directors | Restricted Stock Units (RSUs) | Year Three |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted shares grants, annual vesting percentage |  | 33.30% | 33.30% | 33.30%
2014 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares authorized (in shares) | shares |  | 5,680,000 |  |
Number of shares available for issuance (in shares) | shares |  | 1,426,865 |  |

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