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INVESTMENTS - Narrative (Details) - USD ($) $ in Thousands, shares in Millions |  |  |  | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 02, 2016 | Jul. 26, 2016 | Jan. 28, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | Jun. 30, 2016 | Dec. 01, 2016
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
One-time gain related to remeasurement |  |  |  | $ 0 | $ 0 |  | $ 204,833 | $ 0 |  |
Innovatix |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Equity method investment (as a percent) |  |  |  |  |  |  |  |  |  | 50.00%
Ownership interest acquired (as a percent) | 50.00% |  |  |  |  |  |  |  |  |
One-time gain related to remeasurement | $ 204,800 |  |  |  |  | $ 204,800 |  |  |  |
PSCI | FFF |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership interest through subsidiary (as a percent) |  | 49.00% |  |  |  |  |  |  |  |
Cash portion of acquisition price |  | $ 65,700 |  |  |  |  |  |  |  |
Initial investment |  | 87,100 |  |  |  |  |  |  |  |
Consideration in the form of net fair value of put and call rights |  | 15,400 |  |  |  |  |  |  |  |
Deferred taxes attributed to fair value of put and call rights |  | $ 6,000 |  |  |  |  |  |  |  |
PSCI | Class B Membership Interests | Bloodbuy |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership interest through subsidiary (as a percent) |  |  | 15.00% |  |  |  |  |  |  |
Membership units (in shares) |  |  | 5.3 |  |  |  |  |  |  |
Value of membership units |  |  | $ 2,300 |  |  |  |  |  |  |
PSCI | Class B Membership Interests | PharmaPoint |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership interest through subsidiary (as a percent) |  |  |  |  |  |  | 28.00% |  | 28.00% |
Membership units (in shares) |  |  |  | 5.0 |  |  | 5.0 |  | 5.0 |
PSCI | Class B Membership Interests | Nations Pharmaceuticals, LLC |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership interest through subsidiary (as a percent) |  |  |  |  |  |  | 72.00% |  |  |
PSCI | Class A Membership Interests | Nations Pharmaceuticals, LLC |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Membership units (in shares) |  |  |  | 13.0 |  |  | 13.0 |  |  |

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