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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair values of financial assets and liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Jun. 30, 2019
--- | --- | ---
Fair Value of Financial Instruments |  |
Liabilities-contingent consideration | $ 13,867 | $ 16,577
Recurring |  |
Fair Value of Financial Instruments |  |
Assets - Insurance company contracts | 37,155 | 35,899
Liabilities-contingent consideration | 13,867 | 16,577
Recurring | Level 2 |  |
Fair Value of Financial Instruments |  |
Assets - Insurance company contracts | 37,155 | 35,899
Recurring | Level 3 |  |
Fair Value of Financial Instruments |  |
Fair value of assets | 0 | 0
Liabilities-contingent consideration | $ 13,867 | $ 16,577

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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