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SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Jul. 01, 2018 | Jun. 30, 2019 | Jun. 30, 2018
SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] |  |  |
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net |  | $ 8,800 | $ 9,600
Accounts Receivable, Allowance for Credit Loss |  | $ 0 | $ 0
Investment Advisory Fees, Fee Adjustment, Base Percentage Adjustment When Fund Performance Is Not Within Limits to Benchmark Index |  | 0.25% |
Investment Advisory Fees, Fee Adjustment, Percent Minimum Performance to Designed Benchmark Over Prior Rolling 12 Months |  | 5.00% |
Cumulative Effect on Retained Earnings, before Tax | $ 3,100 |  |
Cumulative Effect on Retained Earnings, Tax | $ 1,049 |  |
Galileo [Member] |  |  |
SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] |  |  |
Percentage of shares owned by parent |  | 65.00% |
Minimum [Member] | Furniture and Fixtures [Member] |  |  |
SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] |  |  |
Depreciation period |  | 3 years |
Minimum [Member] | Building and Building Improvements [Member] |  |  |
SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] |  |  |
Depreciation period |  | 14 years |
Maximum [Member] | Furniture and Fixtures [Member] |  |  |
SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] |  |  |
Depreciation period |  | 10 years |
Maximum [Member] | Building and Building Improvements [Member] |  |  |
SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] |  |  |
Depreciation period |  | 40 years |
Galileo [Member] | Minimum [Member] |  |  |
SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] |  |  |
Depreciation period |  | 2 years |
Galileo [Member] | Maximum [Member] |  |  |
SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] |  |  |
Depreciation period |  | 5 years |

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