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COMMITMENTS AND CONTINGENCIES (Details) |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 11, 2018 | Mar. 31, 2014 USD ($) | Jun. 30, 2020 USD ($) | Apr. 29, 2019 performancePeriods | Jun. 07, 2018 performancePeriods
Loss Contingencies [Line Items] |  |  |  |  |
Employment agreement terms minimum period of employment | 8 years |  |  |  |
Number of class action lawsuits | performancePeriods |  |  |  |  | 2
Number of distributors | performancePeriods |  |  |  |  | 3
Number of stockholders who filed derivative action | performancePeriods |  |  |  | 2 |
Worthless stock deduction |  | $ 546,000,000.0 |  |  |
Swedish Tax Agency |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Possible tax expense |  |  | $ 41,000,000.0 |  |
Tax Year 2012 | IRS |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Liability (refund) from income tax examination |  |  | 4,700,000 |  |
Tax Year 2013 | IRS |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Liability (refund) from income tax examination |  |  | 0 |  |
Tax Year 2014 | IRS |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Income tax penalties |  |  | $ 17,100,000 |  |

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